Merge pull request #42 from ambertunnell/ben_3

Ben 3
Merge branch 'master' of github.com:ambertunnell/worldview into ben_3
Merge pull request #43 from ambertunnell/ben_3

Adds feedback from Test Tube usability meetup on 8/28/14
Renamed save/saved buttons for consistency, replaced 'HELLO, [name]' at nav bar with 'DASHBOARD', added filters for Sao Paulo airports/smaller cities
Merge branch 'master' of github.com:ambertunnell/worldview into ben_3