Release 0.5 and 0.6

Release 0.6, June 13, 2010
1. Updated Messaging functionality (always display)
2. Enabled access settings
3. Updated statistics module
4. Added new index/contstraint, such that we dont re-introduce the same people repeatedly (note: currently will only introduce users once. might eventually revisit to allow if distance decreases)

Release 0.5, May 29, 2010
1. Updated default profile pic
2. Modified welcome text
3. Added reporting mechanism
4. Added basic reporting stats
5. And we submitted the app to foursquare for approval