Use stackFilter option in reporter

Previously the stackFilter option was ignored and never
used before the stack trace was printed.
Added command to run requirejs test
Merge pull request #242 from kevinsawicki/stack-filter

Add back use of stack filter
Merge pull request #243 from philschatz/master

Added documentation for running requirejs test
Preparing for release
Added growl reporter
Growl instructions in readme

I added installation instructions and a link to node-growl. I can also add a screenshot if you think it would be good.
fixes typo, `extentions` -> `extensions`
prefer inline code with "`" to code tag

more GFM style code markups
update docs for filename, closes #233

and some fixes
Merge pull request #247 from jiyinyiyong/master

Update README for better explanation on filenames

LGTM, thanks!
Merge branch 'master' of github.com:mhevery/jasmine-node into AlphaHydrae-growl

Conflicts:
	README.md
Now with growl notifications
Forgot to add to "what's new"