Merge pull request #32 from georgexzeng/master

removed old log files from simon ci
Add button styling
updating
tags can be created from topics
debugged basic tag/tagation creation
have bug with tag form autosubmitting on page load for comment tags
tag create/assign works, but still have bug with empty tag creation
tag/tagation creation bug still there
troubleshooting tag creation bug
fixed bug, create tags/tagations working
cleaing up view pages
create classes and css for tag forms
added tags to homepage
removed unnecessary test for tagation create route
deleted log file
removed test for tag_create route as it no longer does what test expets
changed sort order for topics to default to newest on top
start Tagation creation, udpated rspec for Topic.create
updated views to show usernames in various places
updated topic controller rspec to add user to test topic