Fixes issue #62
Merge pull request #174 from pbouianov/issue62

Fixes #62
Update README.md

Fix outdated wget file naming docs missed when we landed the new wget stuff.
Added grunt bump
Added grunt test for a specific branch

We wanted a dummy check for devs to make sure they were running the grunt release task from the correct branch. If they were on an incorrect branch, the release task logic wouldn't execute correctly and could cause some problems.
Added npm publishing
First swing at  grunt-publish using grunt-prompts