Merge pull request #1 from itcc-li/sprint1

Sprint1
GPS base fragment.
Merge pull request #2 from itcc-li/sprint2

Sprint2
GPS fragment extends AbstractTourFragment.
commit
Merge branch 'sprint3' into sprint2

Conflicts:
	Hackathon[2014]/AndroidManifest.xml
	Hackathon[2014]/src/li/itcc/hackathon2014/MainActivity.java
	Hackathon[2014]/src/li/itcc/hackathon2014/NavigationDrawerFragment.java
commit sprint3