Adding test to ensure that fillable always overrides guarded.

Signed-off-by: Ben Corlett <bencorlett@me.com>
Merge pull request #1566 from bencorlett/feature/whitelist-unit-tests

Adding test to ensure that fillable always overrides guarded.
added status bades.
Merge branch '4.0' of github.com:laravel/framework into 4.0
Merge pull request #1576 from atrauzzi/master

4.0 PR for allowing populated relations to be crawled.
Tweak code formatting in Eloquent model.
Add isEmpty method to MessageBag. Closes #1579.
Added prefix to APC cache store. Cleaned up methods. Fixes #1573.
Consider mailto: and tel: valid links in HTML builder. Fixes #1569.
pull pretend value from config.
change log.
Allow for checking whether there is any old input by making parameter optional.
Fix bug in MessageBag isEmpty method.
Merge pull request #1581 from franzliedke/patch-9

Allow for checking whether there is any old input
Added test for fillable password fields
updated FormBuilder class to prevent passwords from being filled by flash data
Merge pull request #1590 from ShawnMcCool/fix/PasswordsNotFillable

Fix/passwords not fillable on 4.0 branch
Revert #1530 as it causes unexpected results.
Increment version.
fix several bugs with timestamps in eloquent relations. fixes #1597.