Bump to PIO 0.11.0-incubating and enhance sbt configuration

Closes #15
diff --git a/build.sbt b/build.sbt
index cdfd27d..9892291 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,6 +3,6 @@
 organization := "org.apache.predictionio"
 
 libraryDependencies ++= Seq(
-  "org.apache.predictionio" %% "apache-predictionio-core" % "0.10.0-incubating" % "provided",
+  "org.apache.predictionio" %% "apache-predictionio-core" % "0.11.0-incubating" % "provided",
   "org.apache.spark"        %% "spark-core"               % "1.3.0" % "provided",
   "org.apache.spark"        %% "spark-mllib"              % "1.3.0" % "provided")
diff --git a/project/assembly.sbt b/project/assembly.sbt
index 74adde3..e17409e 100644
--- a/project/assembly.sbt
+++ b/project/assembly.sbt
@@ -1 +1 @@
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.13.0")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.4")
diff --git a/project/build.properties b/project/build.properties
new file mode 100644
index 0000000..64317fd
--- /dev/null
+++ b/project/build.properties
@@ -0,0 +1 @@
+sbt.version=0.13.15