<DA-406> implement service for posting text to facebook timeline
<DA-406> fix posting notes to facebook timeline
<DA-406> implemented already shared alert
<DA-406> restore challenge setter
<DA-406> implemented share feature
<DA-406> move facebook app id to AppContext class
<DA-406> clear empty screen
<DA-406> append new localization key
<DA-406> Merge branch 'unstable' into DA-406

Conflicts:
	DralloLibrary/Localization/Localization.cs
	Localization/Messages.pot
	Localization/Output/De.dll
	Localization/Output/En.dll
	Localization/Output/Fr.dll
	Localization/Output/Ru.dll
	Localization/Translations/de.po
	Localization/Translations/en.po
	Localization/Translations/fr.po
	Localization/Translations/ru.po
<DA-406> fix fuzzy flags
<DA-406> Regenerate translation asms
<unstable> Merge branch 'DA-406' into unstable