Merge pull request #92 from cvuong/master

Added an authentication token to User
Default route goes to index route
Checking in schema file from migration
Merge pull request #93 from benrudolph/show-posts-after-logout

Default route goes to index route
Merge pull request #94 from benrudolph/schema-update

Checking in schema file from migration
Add migration so that Posts belong to Company
Add dropdown to form so User can select Company to associate with Post
Include the Company under the Post JSON
Merge pull request #95 from cvuong/add-company-dropdown-to-post

Add company dropdown to post