Fixed typo in TIME_ZONE
Changed pip version due to error in tastypie tables.  Part of issue #2
Added basic information about API access
Made a page to display API keys.  Part of issue #2
Merge branch 'master' of github.com:BridgesLab/mousedb into api
Merge branch 'master' of github.com:BridgesLab/mousedb
Merge branch 'api'
Added age to measurement resource.  Part of issue #3