Warn on invalid output-path

Add unit tests
Merge pull request #1649 from selvagsz/prevent-deleting-of-repo-for-invalid-outputpath

Prevent deletion of files when invalid output-path is provided
pass project to livereload-server
Merge pull request #1719 from hlindset/fix-livereload-task

pass project to livereload-server
jshintrc: disable esnext Promise global

Prevents subtle trolls when RSVP Promise was
intended but (non-universally-implemented)
global Promise was used instead due to forgetting
to import the Promise you wanted.
EOL-ify all the things
Merge pull request #1723 from machty/jshint-promise

jshintrc: disable esnext Promise global
Merge pull request #1718 from jgwhite/ui-write-line

EOL-ify all the things
Prevent errors when vendor and bower_components contain the same files.
Merge pull request #1724 from rwjblue/prevent-merge-errors-upon-upgrade

Prevent errors when vendor and bower_components contain the same files.
Bump ember-cli-qunit version to 0.0.5

Fixes windows bower install
Upgrade ember to 1.7.0
Merge pull request #1729 from jakecraige/patch-5

Upgrade ember to 1.7.0
Merge pull request #1728 from jakecraige/patch-4

Bump ember-cli-qunit version to 0.0.5