Merge pull request #10 from JulianJaffe/master

More logout fixing
fixes for form validation
small update to userpage.html

changed the success/error functions of ajax calls in userpage.html to
not fire alerts.
fixed signin and signup tests
sidebar logout
Merge branch 'master' of https://github.com/jasnowiss/Tracks
fixed logout
Julian's views.py
update to tests.py

added tests for userprofile
added readme
Merge remote-tracking branch 'upstream/master'