rename heysnarl.js to hey-snarl to be like the others
bump the dependencies up
0.2.8
 * Fixed bug caused Grunt-Notify to not work in 32-bit windows.
 * Fixed bug that prevented Snarl from working if the task ended quickly from an error.
 * Removed defaults for how many notifications and how long notifications say on the screen for Snarl.
 * Replaced Nodeunit tests with Mocha tests.