vote migration, model, associations
model tests user/posts has_many votes
custom vote route
vote action saves vote
vote button added to comments
add vote count and users who voted to comments
profiles display votes
limit one vote per user per comment
add pagination links to top of post list for convenience
Fixes failing tests on master
refactors controllers to use login helper
Merge pull request #23 from morganwildermuth/add-paginate-top

add pagination links to top of post list for convenience
Merge pull request #22 from morganwildermuth/voting

Voting
add comments count and total child-votes count to index
rename to 'suggestions'
Merge pull request #27 from morganwildermuth/add_counts_to_index

Add vote counts to index
add missing sessions spec helper
Merge pull request #26 from morganwildermuth/fixes_spec_failures_on_master

Fixes spec failures on master
fix index page to only show topics
Merge pull request #28 from morganwildermuth/fix_index

fix index page to only show topics