[AKQAKIEV-30] added method to ConferenceController that returns all conferences for population of data with first run on client
[AKQAKIEV-28] implemented local database and dao fot it
[AKQAKIEV-29] implemented search by conference titles
[AKQAKIEV-30] implemented creation db and initial tables population on first run
[AKQAKIEV-31] implemented database service (same interface as REST web service)
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