[LIVY-434][BUILD] Update version to 0.5.0-incubating (prep for rc1)
diff --git a/api/pom.xml b/api/pom.xml
index 4f67ac1..358fd0c 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-api</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 3a2ab15..263ea8c 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <artifactId>livy-assembly</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
 
   <properties>
diff --git a/client-common/pom.xml b/client-common/pom.xml
index c646ab9..769c600 100644
--- a/client-common/pom.xml
+++ b/client-common/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-client-common</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/client-http/pom.xml b/client-http/pom.xml
index 7515b39..a7ae8b1 100644
--- a/client-http/pom.xml
+++ b/client-http/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-client-http</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/core/pom.xml b/core/pom.xml
index 937b683..7bf838d 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -22,12 +22,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>multi-scala-project-root</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../scala/pom.xml</relativePath>
   </parent>
 
   <artifactId>livy-core-parent</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/core/scala-2.10/pom.xml b/core/scala-2.10/pom.xml
index 1408a01..e5e04ff 100644
--- a/core/scala-2.10/pom.xml
+++ b/core/scala-2.10/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-core_2.10</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-core-parent</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/core/scala-2.11/pom.xml b/core/scala-2.11/pom.xml
index 9a2d61d..6fd8595 100644
--- a/core/scala-2.11/pom.xml
+++ b/core/scala-2.11/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-core_2.11</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-core-parent</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/coverage/pom.xml b/coverage/pom.xml
index 554886c..326d6b0 100644
--- a/coverage/pom.xml
+++ b/coverage/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <artifactId>livy-coverage-report</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/docs/_data/project.yml b/docs/_data/project.yml
index 38dd2cf..21fb4da 100644
--- a/docs/_data/project.yml
+++ b/docs/_data/project.yml
@@ -16,6 +16,6 @@
 # Apache Project configurations
 #
 name: Apache Livy
-version: 0.4.0-incubating-SNAPSHOT
+version: 0.5.0-incubating
 
 podling: true
\ No newline at end of file
diff --git a/docs/programmatic-api.md b/docs/programmatic-api.md
index 6ea90ba..a63d235 100644
--- a/docs/programmatic-api.md
+++ b/docs/programmatic-api.md
@@ -35,7 +35,7 @@
 <dependency>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-client-http</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
 </dependency>
 ```
 
diff --git a/examples/pom.xml b/examples/pom.xml
index e1c27c7..96195dc 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -23,13 +23,13 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-examples</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/integration-test/pom.xml b/integration-test/pom.xml
index 0c08504..adc5a96 100644
--- a/integration-test/pom.xml
+++ b/integration-test/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <artifactId>livy-integration-test</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/pom.xml b/pom.xml
index e32ca1b..c6b0f9e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-main</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
   <name>Livy Project Parent POM</name>
   <description>Livy Project</description>
diff --git a/python-api/pom.xml b/python-api/pom.xml
index 4f73a3e..a4cdfe5 100644
--- a/python-api/pom.xml
+++ b/python-api/pom.xml
@@ -23,13 +23,13 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-python-api</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
 
   <build>
diff --git a/python-api/setup.py b/python-api/setup.py
index 2d257f0..8acf237 100644
--- a/python-api/setup.py
+++ b/python-api/setup.py
@@ -39,7 +39,7 @@
 
 setup(
     name='livy-python-api',
-    version="0.5.0-incubating-SNAPSHOT",
+    version="0.5.0-incubating",
     packages=["livy", "livy-tests"],
     package_dir={
         "": "src/main/python",
diff --git a/repl/pom.xml b/repl/pom.xml
index d02495a..e0abf37 100644
--- a/repl/pom.xml
+++ b/repl/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>multi-scala-project-root</artifactId>
     <relativePath>../scala/pom.xml</relativePath>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <artifactId>livy-repl-parent</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/repl/scala-2.10/pom.xml b/repl/scala-2.10/pom.xml
index a046b93..449cca7 100644
--- a/repl/scala-2.10/pom.xml
+++ b/repl/scala-2.10/pom.xml
@@ -21,13 +21,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-repl_2.10</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-repl-parent</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/repl/scala-2.11/pom.xml b/repl/scala-2.11/pom.xml
index e2e6412..f5c3503 100644
--- a/repl/scala-2.11/pom.xml
+++ b/repl/scala-2.11/pom.xml
@@ -21,13 +21,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-repl_2.11</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-repl-parent</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/rsc/pom.xml b/rsc/pom.xml
index 034362a..1423fd3 100644
--- a/rsc/pom.xml
+++ b/rsc/pom.xml
@@ -21,12 +21,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-rsc</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/scala-api/pom.xml b/scala-api/pom.xml
index 1a29ad7..10422fd 100644
--- a/scala-api/pom.xml
+++ b/scala-api/pom.xml
@@ -23,12 +23,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>multi-scala-project-root</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../scala/pom.xml</relativePath>
   </parent>
 
   <artifactId>livy-scala-api-parent</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/scala-api/scala-2.10/pom.xml b/scala-api/scala-2.10/pom.xml
index 81c0234..dce7d24 100644
--- a/scala-api/scala-2.10/pom.xml
+++ b/scala-api/scala-2.10/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-scala-api_2.10</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-scala-api-parent</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/scala-api/scala-2.11/pom.xml b/scala-api/scala-2.11/pom.xml
index 773e45f..9e43b13 100644
--- a/scala-api/scala-2.11/pom.xml
+++ b/scala-api/scala-2.11/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-scala-api_2.11</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-scala-api-parent</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/scala/pom.xml b/scala/pom.xml
index ef4709f..9c2a53c 100644
--- a/scala/pom.xml
+++ b/scala/pom.xml
@@ -21,13 +21,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>multi-scala-project-root</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>pom</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/server/pom.xml b/server/pom.xml
index 256bb45..3263f2c 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <artifactId>livy-server</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/test-lib/pom.xml b/test-lib/pom.xml
index e9c908a..14706e7 100644
--- a/test-lib/pom.xml
+++ b/test-lib/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.5.0-incubating-SNAPSHOT</version>
+    <version>0.5.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-test-lib</artifactId>
-  <version>0.5.0-incubating-SNAPSHOT</version>
+  <version>0.5.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>