Merge pull request #12 from irshad89/master

tabs
upgrade home page
Merge branch 'master' of https://github.com/maxcobmara/txport

Manual Pull Merge
added sign-in and sign-out buttons
added login email in top bar
smaller user logo
road tax and fines logic fixes
font adjustment
hackety hack for ajax create forms killing new button
fix tabs in vehicle show
vehicle assignment new/edit appears to work
tabs