[maven-release-plugin] prepare release release-0.4
diff --git a/boot-fx/pom.xml b/boot-fx/pom.xml
index 460e25b..d357f07 100644
--- a/boot-fx/pom.xml
+++ b/boot-fx/pom.xml
@@ -1,15 +1,14 @@
 <?xml version="1.0"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>html</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>boot-fx</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <name>FX WebView Bootstrap</name>
   <url>http://maven.apache.org</url>
   <properties>
diff --git a/boot/pom.xml b/boot/pom.xml
index f367ad4..a461760 100644
--- a/boot/pom.xml
+++ b/boot/pom.xml
@@ -1,15 +1,14 @@
 <?xml version="1.0"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>html</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>net.java.html.boot</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <name>Browser Bootstrap</name>
   <url>http://maven.apache.org</url>
   <properties>
diff --git a/context/pom.xml b/context/pom.xml
index ad7b62d..43a0e43 100644
--- a/context/pom.xml
+++ b/context/pom.xml
@@ -1,15 +1,14 @@
 <?xml version="1.0"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>html</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>net.java.html</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <name>HTML Context</name>
   <url>http://maven.apache.org</url>
   <properties>
diff --git a/geo/pom.xml b/geo/pom.xml
index 3382049..37bb207 100644
--- a/geo/pom.xml
+++ b/geo/pom.xml
@@ -1,15 +1,14 @@
 <?xml version="1.0"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>html</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>net.java.html.geo</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <name>Geolocation API</name>
   <url>http://maven.apache.org</url>
   <properties>
@@ -40,7 +39,7 @@
     <dependency>
       <groupId>org.apidesign.html</groupId>
       <artifactId>net.java.html.boot</artifactId>
-      <version>0.4-SNAPSHOT</version>
+      <version>0.4</version>
       <type>jar</type>
     </dependency>
   </dependencies>
diff --git a/json-tck/pom.xml b/json-tck/pom.xml
index 7f783fb..8fa741b 100644
--- a/json-tck/pom.xml
+++ b/json-tck/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>html</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>net.java.html.json.tck</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <name>TCK for JSON Model</name>
   <url>http://maven.apache.org</url>
   <properties>
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.apidesign.html</groupId>
       <artifactId>net.java.html.json</artifactId>
-      <version>0.4-SNAPSHOT</version>
+      <version>0.4</version>
       <type>jar</type>
     </dependency>
     <dependency>
diff --git a/json/pom.xml b/json/pom.xml
index 20f95d7..225b228 100644
--- a/json/pom.xml
+++ b/json/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>html</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>net.java.html.json</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <name>JSON Model in Java</name>
   <url>http://maven.apache.org</url>
   <properties>
diff --git a/ko-archetype-test/pom.xml b/ko-archetype-test/pom.xml
index ab46ec2..31fcb08 100644
--- a/ko-archetype-test/pom.xml
+++ b/ko-archetype-test/pom.xml
@@ -4,11 +4,11 @@
     <parent>
         <groupId>org.apidesign</groupId>
         <artifactId>html</artifactId>
-        <version>0.4-SNAPSHOT</version>
+        <version>0.4</version>
     </parent>
     <groupId>org.apidesign.html</groupId>
     <artifactId>ko-archetype-test</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
     <name>Knockout 4 Java Archetype Test</name>
     <url>http://maven.apache.org</url>
     <description>Verifies the Knockout &amp; net.java.html.json archetype behaves properly.</description>
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>knockout4j-archetype</artifactId>
-            <version>0.4-SNAPSHOT</version>
+            <version>0.4</version>
         </dependency>
         <dependency>
             <groupId>org.testng</groupId>
diff --git a/ko-archetype/pom.xml b/ko-archetype/pom.xml
index 580cf6f..bb797ac 100644
--- a/ko-archetype/pom.xml
+++ b/ko-archetype/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <artifactId>html</artifactId>
     <groupId>org.apidesign</groupId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>knockout4j-archetype</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <packaging>jar</packaging>
   <name>Knockout 4 Java Maven Archetype</name>
   <description>
diff --git a/ko-fx/pom.xml b/ko-fx/pom.xml
index 927af52..bc4b60e 100644
--- a/ko-fx/pom.xml
+++ b/ko-fx/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>org.apidesign</groupId>
     <artifactId>html</artifactId>
-    <version>0.4-SNAPSHOT</version>
+    <version>0.4</version>
   </parent>
   <groupId>org.apidesign.html</groupId>
   <artifactId>ko-fx</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <name>Knockout.fx</name>
   <url>http://maven.apache.org</url>
   <properties>
diff --git a/pom.xml b/pom.xml
index 613a53f..e38953d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apidesign</groupId>
   <artifactId>html</artifactId>
-  <version>0.4-SNAPSHOT</version>
+  <version>0.4</version>
   <packaging>pom</packaging>
   <name>HTML APIs via Java</name>
   <parent> 
@@ -42,7 +42,7 @@
       <connection>scm:hg:https://hg.java.net/hg/html~html4j</connection>
       <developerConnection>scm:hg:https://hg.java.net/hg/html~html4j</developerConnection>
       <url>https://hg.java.net/hg/html~html4j</url>
-      <tag>default</tag>
+      <tag>release-0.4</tag>
   </scm>
   <repositories>
       <repository>