added rpsect test for user model
validates uniqueness of username
rspec test success
added tags assocations in rspec user model
user has many tags
rspec test success
tests passing. commented out has many tags through tagations, cannot get that test to pass
removed unncessary preventive measures folder
Merge pull request #37 from woolly-bear-caterpillars-2014/john

sass changes
merge conflict
fix error handling
merge master
work on styling
Merge branch 'master' into john
fixed more error handling issues
Merge pull request #39 from georgexzeng/master

fix error handling
added self.search method in topic model
added search params to topic controller
added search partial to payouts
merge conflict ok
Merge pull request #40 from stcrestrada/master

Estrada merge
added styling and fontawesome to links
merge master
integrate search bar into styling