Update other files not touched by mvn versions plugin.

Author: JoshRosen

docs/_config.yml

@@ -14,8 +14,8 @@ include:
 
 # These allow the documentation to be updated with newer releases
 # of Spark, Scala, and Mesos.
-SPARK_VERSION: 2.2.0-SNAPSHOT
-SPARK_VERSION_SHORT: 2.2.0
+SPARK_VERSION: 2.3.0-SNAPSHOT
+SPARK_VERSION_SHORT: 2.3.0
 SCALA_BINARY_VERSION: "2.11"
 SCALA_VERSION: "2.11.7"
 MESOS_VERSION: 1.0.0

project/MimaExcludes.scala

@@ -34,6 +34,10 @@ import com.typesafe.tools.mima.core.ProblemFilters._
  */
 object MimaExcludes {
 
+  // Exclude rules for 2.3.x
+  lazy val v23excludes = v22excludes ++ Seq(
+  )
+
   // Exclude rules for 2.2.x
   lazy val v22excludes = v21excludes ++ Seq(
     // [SPARK-19652][UI] Do auth checks for REST API access.
@@ -1003,6 +1007,7 @@ object MimaExcludes {
   }
 
   def excludes(version: String) = version match {
+    case v if v.startsWith("2.3") => v23excludes
     case v if v.startsWith("2.2") => v22excludes
     case v if v.startsWith("2.1") => v21excludes
     case v if v.startsWith("2.0") => v20excludes