Separate menu for fav detail and talk detail. Now you can go back to
previous activity from talk detail pager.
Merge branch 'master' of https://github.com/DevCon-Myanmar/DevCon-Android

Fixed Conflicts:
	src/org/devcon/android/fragments/TalkDetailFragment.java
Merge branch 'master' of https://github.com/DevCon-Myanmar/DevCon-Android

Fixed Conflicts:
	src/org/devcon/android/fragments/TalkDetailFragment.java