replace volley with maven volley lib
updated analytics to v4
send every event/screen immediately
renaming and synchronized
Merge branch 'feature_analytics' into feature_libs_removal

Conflicts:
	app/build.gradle
move analytics to jeff
remove libs
only log to crashlytics if available
do compile with crashlytics, but crashlytics is not included in release
small rewrite
Merge branch 'dev' into feature_libs_removal
Merge branch 'feature_libs_removal' into dev

Conflicts:
	app/build.gradle
	app/src/main/java/com/label305/stan/utils/Logger.java