fixed for gunt 4
make it run with grunt 0.4.x, use grunt 0.4.x in this project, added helpers
fixed highlighting in readme
typo
added coffee support
Merge commit '038def5dfe46ef6ccd9a7d9bffee3a641b69d5b9'

# By Christian Ranz
# Via Christian Ranz
* commit '038def5dfe46ef6ccd9a7d9bffee3a641b69d5b9':
  added coffee support
  typo
  fixed highlighting in readme
  make it run with grunt 0.4.x, use grunt 0.4.x in this project, added helpers
  fixed for gunt 4
enable literate coffeescript.
Fix coffee script functionality
rewriting the calculator test example as literate coffee script