use new external tree in styles instead of vendor
Merge pull request #1850 from jakecraige/fix-bower-styles

use new external tree in styles instead of vendor
[ANAL RETENTIVE] Missing semi-colon
Merge pull request #1855 from jayphelps/patch-2

[ANAL RETENTIVE] Missing semi-colon
Add Blueprint.prototype.insertIntoFile.

* Inserts the provided content into a file (always at the end right now).
* Only inserts once unless `force` option is truthy.
Merge pull request #1857 from rwjblue/add-insert-into-file

Add Blueprint.prototype.insertIntoFile.
blueprints should generate sorted multi-line property import statements

* makes diffs more reasonable
* makes ember inits/re-blueprints are easier
use es6 import syntax for this file.
Merge pull request #1865 from stefanpenner/improve-blueprint-import-statements

Improve blueprint import statements