Add parse.com framework
Merge branch 'master' into ershov

* master:
  Gameplay GUI.

Conflicts:
	src/Erundopel/Erundopel.xcodeproj/project.pbxproj
Started adding Parse synchronisation
Started adding Parse synchronisation
Merge branch 'ershov' of https://github.com/djachenko/Erundopel into ershov

* 'ershov' of https://github.com/djachenko/Erundopel:
  Started adding Parse synchronisation

Conflicts:
	src/Erundopel/Erundopel/ParseManager.h
	src/Erundopel/Erundopel/ParseManager.m
	src/Erundopel/Erundopel/ParseObject.h
Add Parse helper objects for all entities
Make app not crash if there are no cards (stub)
Add all insert-methods for cards, words etc.
Remove bad attempt to create Parse-compatible entities
Add last update date fixation for all tables
Add basic sync with Parse (get all updates from server by timestamp)
Add fixed cards generator and card meanings shuffle
Implemented random card generation
Fix repeating meanings issue
Add choose game mode screen