<lib-problem> make snapshot with unbildable for device code
Added the correct Newtonsoft Library for IOs
<feature/screens> fix placeholder for login screen and registration button size
<feature/screens> update build version
<feature/screens> refactor categories property for challenge — now its an string array
<feature/screens> add logo to filter screen
<feature/screens> change keyboartype for e-mail input
<feature/screens> add design to segment control on description page
<stable/0.1> Merge branch 'feature/screens' into stable/0.1
<lib-problem> Merge branch 'stable/0.1' into lib-problem

Conflicts:
	DralloApp/IOs/Drallo.Lib.iOS/MockChallengeBrowser.cs
<stable/0.1> Merge branch 'lib-problem' into stable/0.1
<feature/screens> inherit challenge from challenge in challengeEngine assembly
<feature/screens> start use challengeEngine.dll To start Challenge