Lining up translation. Surprised it triggered my OCD before @taylorotwell's.

Signed-off-by: Ben Corlett <bencorlett@me.com>
Turn on Redis clustering by default.
Redirect trailing slashes with 301.
Merge pull request #1864 from bencorlett/develop

Lining up translation.
Add "url" option to configuration.
Add pre-update command to remove the compiled file.
Remove pre-update script.
Merge remote-tracking branch 'laravel/develop'

Conflicts:
	app/lang/en/validation.php
Add rvmrc and Gemfile