Update app version for v2.3.0 final release

Author: codinguser

CHANGELOG.md

@@ -1,6 +1,6 @@
 Change Log
 ===============================================================================
-Version 2.3.0 *(2017-09-xx)*
+Version 2.3.0 *(2018-01-10)*
 ----------------------------
 * Feature #544: Use double confirmation dialog boxes before irreversible actions
 * Fixed #723, #743: Split transactions saved with incorrect sign

app/build.gradle

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