Create .gitignore

Why aren't we ignoring sqlite databases at this point?
Merge pull request #2951 from bworwa/patch-1

Create .gitignore
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Create .gitignore
Move Way Generator package to require-dev.
Merge branch 'master' of github.com:vinkla/laravel

* 'master' of github.com:vinkla/laravel:
  Fix typo in Acme namespace