add environment task

appends to or creates when not already present (no-op)
Update target path to not rely on Rails constant
Remove 'Rails' as rake task no longer requires it
added :fu:
cleaned up fu image
Merge pull request #25 from github/fu

added :fu:
Changed dates to 2013
Gemoji 1.3.1
updated :fu: to be more explicit
Merge branch 'master' of https://github.com/github/gemoji
Remove external dependencies
Merge pull request #24 from danthompson/non_rails_support

Add non rails support