Fix the /tests URL in IE8

IE8 does not sent a text/html header, so tests don't load unless we
allow */* requests to fetch the test file.
Merge pull request #1707 from mixonic/ie8-mf-do-you-speak-it

Fix the /tests URL in IE8
Warn on invalid output-path

Add unit tests
Make blueprintLookupPaths return [] outside projects

Fixes #1684
Upgrade broccoli-ember-hbs-template-compiler to 1.6.1
Merge pull request #1710 from quaertym/master

Upgrade broccoli-ember-hbs-template-compiler to 1.6.1
Merge pull request #1708 from jgwhite/blueprint-lookup-paths-outside-projects

Make blueprintLookupPaths return empty array outside projects
LiveReload filter patterns

Will allow a Project to add its own patterns for which the LiveReload
server can use to ignore certain file changes.
Merge pull request #1706 from bcardarella/bc-live-reload-filter-patterns

LiveReload filter patterns
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.
Provide an example for ember generate when 
blueprint/entity name are missing
Amend `generate` commands concise help text