4 spaces -> 2 spaces
Stop using CSSLint
Add build tools
Improve precision of percentage
Fix max-height/width tests

Fix gh-4
Udpdate CHANGELOG
1.5.0
Add npm support
Add build tools
Update Bower and Component manifests
Copy edits to documentation
1.5.1
Add meta viewport tag to test.html
Merge branch 'master' into gh-pages
Commit build