allow to pass templatePath in stylesheetOptions to override default template
Updated README to document templatePath
Refactored code to make templatedStylesheet to accept path
allow to accept custom stylesheet in stylesheet key
updated README
removed code that was unintentionally checked in
added back the code that was accidentally removed
stylesheet can take Function which was dropped accidentally
added .DS_Store to be ignored
Added spec for custom template
Merge remote-tracking branch 'upstream/master'

Conflicts:
	.gitignore
added afterEach to set expexpectedStylesheetPath to it's default value
Merge pull request #28 from yp-engineering/master

Override default stylesheet template