Merge pull request #8 from spwntr/master

Steve and Matt
Merge pull request #9 from spwntr/master

Matt | added button function to link and image
Added scale type for image.
addtobackstack for missions fragment replace for indv fragments
Merge remote-tracking branch 'remotes/upstream/master' into redpoint

Conflicts:
	spacemissionroadmap/src/main/res/layout/fragment_indv_mission.xml