Make CSS map development-only, add minor style tweaks
Change import of css.map to only be development

Per http://www.ember-cli.com/#environment-specific-assets, the include
currently must be wrapped in an if statement checking for the
environment.
Update bower include, replace incorrect blueprint line
Merge pull request #116 from joshforisha/exclude-css-map

Make CSS map development-only, add minor style tweaks
Merge pull request #117 from joshforisha/fix-bootstrap-dependency

[BREAKING BUGFIX] Update bower include, replace incorrect blueprint line
fixed bug with layout with hidden columns
Merge pull request #120 from mattmarcum/feature/grid-update

fixed bug with layout with hidden columns
Merge branch 'develop' into feature/split-grid