Bump version

gradle.properties

@@ -14,7 +14,7 @@
 # If versions end in odd numbers they are development builds, even versions are release candidates.
 # The AndroidManifest.xml must also be updated currently.
 org.gradle.jvmargs=-Xmx2048M
-version=0.2.3-SNAPSHOT
+version=0.2.4-SNAPSHOT
 
 # Using these variables to sync dependency version numbers across sub-projects.
 android_support_lib_version = 23.4.0