Add ember-export-application-global to default app blueprint.
Merge pull request #2270 from rwjblue/export-global

Add ember-export-application-global to default app blueprint.
correct typo
Merge pull request #2274 from dondanhill/master

correct typo
Fix gitignore in app blueprint

Directory patterns should not end in `\*`.
Merge pull request #2285 from xymbol/fix-gitignore

Fix gitignore in app blueprint