Tests: update before to beforeEach and modify

Empty out textarea, make sure maxHeight is removed and call plugin
method.
Tests: add case for when max height reached
fixed README example using textareaAutoSize() instead of .textareaAutoExpand()
Merge pull request #3 from eyscode/master

fixed README example using textareaAutoSize() instead of .textareaAutoEx...
Update contributions section with release info
Update release task to also use npm task
Update npm packages to latest versions
Docs: Add Version History section
Docs: update version history with new minor ver
Docs: add deploy release section
Update bump and release tasks to be separate

Further modify bump task to take a type argument as now the task is
meant to be used through CLI directly. Add bower.json to bump file
list. Have tag task run build instead.
Bump version to 0.2.0
Replace gulp git with command line calls

Having a lot of trouble with gulp-git tag method. No need for it as we
can just execute the necessary commands manually.
Fix tag command to add tag name
Fix plugin name in readme.
Merge pull request #4 from sapegin/patch-1

Fix plugin name in readme
Fix child_process undefined error by including lib
Install gulp-sass dependency
Add html5shiv and use that instead of remote ver
Assets: Compile example CSS using SASS

this way we can take advantage of variables and calculation for the
correct max-height on each textarea based on font size, line height,
padding and desired number of rows.