added scope to unit
started user preferences
passing tests for user preference
styling
added link to the preferences
added the weight unit to body weights
minor refactoring
added paginate and attempted to upgrade. broke everywhere
attempt to fix rspec updates
changed pending to skip for new rspec
modified for new rspec 3
modified to use rails_helper and fixed some tests
converted specs to rspec 3
removed have(x).errors_on for rspec 3
more rspec 3 implementation
more rspec 3 matcher integration
more rspec 3 matcher integration
rspec 3 integration
more rspec 3 stuff
more rspec 3 integration