update deps
updating to work with grunt v0.4.0rc5.
Merge pull request #35 from ctalkington/patch4

updating to work with grunt v0.4.0rc5.
prep for rc7
update getting started guide link
0.4 release
add peerDependencies
remove unneeded deps
regen readme to fix typo
clarify docs - closes gh-45
bump contrib-jshint
Added 'onlyIf' option.  Modified README.md, added nodeunit test cases.

Merged conflicts (I've had this branch for a while)