update changelog
Guard compatible methods
New methods
  - #start
  - #stop
  - #reload
Guard::Haml specific methods made private
Rspec tests fixed to work with private methods
Rspec tests for guard compatible methods
Travis config added
New line at EOF. Empty lines removed.
New notifier
  - Notifier class for guard notifications
  - Rspecs for Notifier
  - Notify on failure
  - Fixed spec_helper
Rspec: notifier call for failed compilation example
Git attributes
Readme changed

- Add `run_at_start` option
- Add `notification` option
Notification texts changed
  - Rspecs for notifications text format
  - Texts for notifications changed
  - Cleaned up trailing spaces
  - Typofix
Readme: trailing spaces removed. New line at EOF added.
Guardfile template: added some options descriptions in comments.
Rspec: tests for #new method
Readme: link to haml engine options fixed
Added codeclimate badge to readme.
Gemnasium badge added.
Merge branch 'new_notifier' of https://github.com/kugaevsky/guard-haml into development
add rake as a development dependency
update changelog
show travis-ci build status of dev branch
Merge branch 'new_notifier' of github.com:kugaevsky/guard-haml into new_notifier

* 'new_notifier' of github.com:kugaevsky/guard-haml:
  Readme: link to haml engine options fixed