Remove unnecessary documentation from coffee-mode-hook

Such configuration should not be defined in hook,
they should be defined in `eval-after-load`.
Merge pull request #210 from defunkt/remove-unnecessary-documentation

Remove unnecessary documentation from coffee-mode-hook
Update document

- add information of indentation variable `coffee-tab-width`
- add sample configuration
Merge pull request #211 from defunkt/update-documentation

Update document
Fix source map issue(#212)

We should not specify '-j' option for compiling to JavaScript.
It should be used only Rails '.js.coffee' file for avoiding
'.js.js' file generated.

If you want to generate source map file in Rails project,
please see following project.

  https://github.com/markbates/coffee-rails-source-maps
Merge pull request #213 from defunkt/fix-sourcemap-issue

Fix source map issue(#212)
Support using tab

This is related to #215
Merge pull request #216 from defunkt/support-using-tab

Support using tab
Add explanation for using TAB instead of spaces
Merge pull request #217 from defunkt/update-document-for-using-tab

Add explanation for using TAB instead of spaces
Update example

- remove 'TODO', because we had implemented block strings
- add block comment and edge cases of it
Merge pull request #218 from defunkt/update-example

Update example
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