Add ECSlidingViewController submodule
Update MBProgressHUD submodule
Fix bar button item style in storyboard
Update settings view controller embedded in sliding controller
Update app delegate to start syncing when app comes to foreground

Clean code
Add confirmation alert view for logging out
Add landscape orientation for settings view controller
Add panels interface for phone idiom, adapt pad idiom
Update build and version numbers

Update defaults images for phone idiom
Update title position for landscape orientation
Update lines icon
Merge pull request #31 from studioamanga/client-sliding-panels

Sliding panels for iOS client