[Cache] Fixed double read in "remember" method

Same fix that was done previously in "rememberForever". I believe this will resolve the cache read issue #2275
Merge pull request #2302 from fturmel/patch-11

[Cache] Fixed double read in "remember" method
dont throw exception in file store if file is deleted.
Merge branch '4.0' of github.com:laravel/framework into 4.0