add internet permission
change target sdk to 17
ic_launcher change
string resource change
Merge branch 'resource' into login_to_vk
pref helper value put functions
change to static
getting values functions
Merge branch 'pref_helper' into login_to_vk
Merge branch 'pref_helper' into vk_helper
add vk auth helper
add deletind value function
Merge branch 'pref_helper' into vk_helper
vk auth helper modify
Merge branch 'vk_helper' into login_to_vk
add auth activity
refactoring
add layout