Cleanup, details activity and fragment
Add up navigation caret to ConferenceDetailsActivity
Add conference details fragment and activity
Add details fragment to tablet layout
AKQAKIEV-17 - Tablet layout update
Merge branch 'develop' of https://github.com/biellou/Conferer into nickolay-polozov

Conflicts:
	client/android/AKQAConferer/AndroidManifest.xml
	client/android/AKQAConferer/res/values/strings.xml
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/ConferenceDetailsActivity.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/MainActivity.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/SessionDetailsActivity.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/SpeakerDetailsActivity.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/StartActivity.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/fragments/ConferenceListFragment.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/view/conference/ConferencesFragment.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/view/conference/details/SessionsFragment.java
	client/android/AKQAConferer/src/com/akqa/kiev/android/conferer/web/client/ConfererWebClient.java
Cleaning merge