Added Comments and View Attendees activities, there are some problems
with the parse aspects of them (back end), but the front end is set up.
Added activities for comments and attenedees. The actual backend is not
finished, but the front end is set up.
Merge branch 'master' of https://github.com/nhurwitz/GroupGoal.git

Conflicts:
	GroupGoal/AndroidManifest.xml
	GroupGoal/gen/com/cs121/groupgoal/R.java
	GroupGoal/res/values/strings.xml
	GroupGoal/src/com/cs121/groupgoal/MainActivity.java
	GroupGoal/src/com/cs121/groupgoal/ViewGoal.java