- put back login/register screen
Register screen modifications.
Merge branch 'master' of https://bitbucket.org/halcyonmobile/ringmemaybe

Conflicts:
	ringMeMaybe/ringMeMaybe.xcodeproj/project.pbxproj
- code review && minor code improvements
Merge branch 'master' of https://bitbucket.org/halcyonmobile/ringmemaybe
Handling gsm call interruption.
Merge branch 'master' of https://bitbucket.org/halcyonmobile/ringmemaybe
RMGenderSelectionButton and RMPageIndicator implemented. register screen design (Csabi modra) finished.
RMTextField implemented. Register screen and logic implementation finished. register API method commented out.
Facebook register and login functionality implemented(not finished yet).
Multiple call bug fixed.
- alerts added