Fix indentation for list elements on continuation lines

They should line up with the first element on the list, not the first
comma (-:
Improve elixir-debug output

* Make mnemonics more memorable
* Correct them to correspond to what they denote.
Add test case for fn body indentation breakage.
Highlight variables only on assignment

This changes the font lock regex to highlight only when there's a
single = sign in play, not multiple ones (as for comparisons).
Check if elixir-mode is already present
Merge pull request #9 from toki/master

Check if emacs-mode is already present...
cleanup elixir-mode structure
remove test.ex because it's not up to date with current elixir version syntax
use correct function prefix for elixir test function
autoload helper functions, simplify version display
fix *.elixir file ending elixir-mode autload
add elixir-mode documentation
update README with information about elixir-mode
add release rake task
Merge pull request #17 from elixir-lang/refactor-elixir-mode

Refactoring and clean up elixir-mode
prepare 1.2.0
add eval-on-region and eval-on-current-line functions
add string-to-quoted-on-region and string-to-quoted-on-current-line functions
add local key bindings for eval and quoted functions
use a temporary file to eval elixir code, instead string evaluation through elixir command