Update Slimmer

We were REALLY behind for some reason
Load extra javascript in before closing body
Add bootstrap-tab javascript
Add UI for file upload
Remove cruft
Merge branch 'master' of github.com:theodi/csvlint into feature-allow-upload
Change file validate button text
Bump csvlint.rb version
Remove capitalisation
Bump csvlint.rb
Ignore cruft
Multipart!
Validate uploaded file
Change state to an instance variable
Merge pull request #43 from theodi/feature-allow-upload

Validate uploaded file