Fix namespacing issue for jeet-replace-nth() call
Merge pull request #318 from clear-y/jc/fix-namespacing-issue

Fix namespacing issue for jeet-replace-nth() call
Improve code consistency

- Change all vars to lowercase-with-dashes
- Remove back-ticks from comment
Merge pull request #319 from clear-y/jc/code-conventions

Variable styling and a minor comment change
Add offset mixin

- Takes a ratio & gutter
- Can also specifiy if it's a column or span
Remote unused test files
Add basic span test
Add build badge
Match SCSS span with Stylus span

To pass tests
Merge pull request #321 from mojotech/sjs/tests

First tests
Add offset to span test
Merge pull request #322 from mojotech/cs/tests

Add offset to span test
Normalize span test
Merge pull request #323 from mojotech/cs/tests

Normalize span test
Add column test
Merge pull request #324 from mojotech/cs/tests

Add column test
Add shift test
Merge pull request #325 from mojotech/cs/tests

Add shift test
Add unshift test
Remove IE7 support for edit