Update some documentation.
Update version on master.
Laravel 4.3 upgrading
Merge branch '4.2'
Merge branch '4.2'
Merge pull request #838 from GrahamCampbell/upgrading

Laravel 4.3 upgrading
Merge branch '4.2'
Add to upgrade guide.
Fix headings.
Merge branch '4.2'
Working on 4.3 docs.
Working on references to start files.
Merge branch 'master' of github.com:laravel/docs

Conflicts:
	upgrade.md
Working on start file documentation.
Removing more references to start files.
Discuss Artisan command registration.
Adding notes on registering Artisan commands.
Merge branch '4.2'
Merge branch 'master' of github.com:craftsmancoding/docs into 4.2