Fix syntax property of '/'(#219)

Paired delimiters('$') cause that slash is treated as closing paren.
Merge pull request #220 from defunkt/invalid-slash-property

Fix syntax property of '/'(#219)
if electric-pair-mode is enabled, use its untabify
Merge pull request #221 from waymondo/master

If electric-pair-mode is enabled, use its untabify defun
Fix byte compile warning
Merge pull request #222 from defunkt/fix-bytecompile-warning

Fix byte compile warning
Add coffee-dedent-line-backspace command test

And some refactoring it
Merge pull request #223 from defunkt/add-dedent-command-test

Add coffee-dedent-line-backspace command test
Fix typo
Merge pull request #224 from defunkt/fix-typo

Fix typo