add check for old and new version
Merge branch 'master' of https://github.com/IstiN/android_xcore
Merge branch 'dev' of https://github.com/IstiN/android_xcore

Conflicts:
	xcore/src/by/istin/android/xcore/provider/ModelContentProvider.java
Merge branch 'dev' of https://github.com/IstiN/android_xcore
Merge branch 'dev' of https://github.com/IstiN/android_xcore
gradle configuration updated
added setCursor method for cursormodel
extends utils classes
compilation conflict fixed
code style improvements
added JSONModel, StringProcessor, UrlBuilder
Update README.md
Update README.md
Update README.md
Merge branch 'dev' of https://github.com/IstiN/android_xcore
Update README.md
Update README.md
show/hide keyboard fixed for 2.3
Merge branch 'keyboardFix' into dev
double quotes issue fixed