Changed the main navigation from activities to fragments
Changed to the use of fragments in the main navigation
Some design stuff.
Design merged with Erikko.
Made the thread list on the main page update on resume
Removed targetAPI tag
Merged design with demo threads.
Fixed navigation menu being pushed out of the frame
Merge branch 'master' into server-link

# By Erik Odenman (3) and Marcus Nordström (1)
# Via Erik Odenman (2) and Marcus Nordström (2)
* master:
  Removed targetAPI tag
  Made the thread list on the main page update on resume
  Some design stuff.
  Changed the main navigation from activities to fragments

Conflicts:
	src/com/hyperactivity/android_app/activities/MainActivity.java
Merge branch 'master' into server-link

* master:
  Fixed navigation menu being pushed out of the frame