Save active connections when send app to background

& Add commnts and clean up code
- add views for later use (about application)
- cell image marks active connections (dark image)
- solve memory problem ( malloc )
Merge branch 'master' of https://github.com/jegelstaff/formulize-iOS

Conflicts:
	Formulize Prototype/Formulize Prototype/AddConnectionViewController.m
	Formulize Prototype/Formulize Prototype/EditConnectionViewController.m