Update version number for v2.4.0 final release

Author: codinguser

CHANGELOG.md

@@ -1,6 +1,6 @@
 Change Log
 ===============================================================================
-Version 2.4.0 *(2018-06-xx)*
+Version 2.4.0 *(2018-06-15)*
 ----------------------------
 * Feature #665: Adds CSV export format
 * Feature #544: Add extra checkbox confirmation for irreversible actions

app/build.gradle

@@ -6,7 +6,7 @@ apply plugin: 'io.fabric'
 def versionMajor = 2
 def versionMinor = 4
 def versionPatch = 0
-def versionBuild = 2
+def versionBuild = 3
 
 static def buildTime() {
     def df = new SimpleDateFormat("yyyyMMdd HH:mm 'UTC'")