Added filter-in and out description

A little definition of what are doing the 3rd and 4th element of the
patterns array
Merge pull request #485 from dvdvck/patch-1

Added filter-in and out description
fix(log): use grunt.log.wordlist
Merge pull request #488 from stephanebachelier/log_wordlist

fix(log): use grunt.log.wordlist
chore(jscs): update jscs rule on top of future grunt preset