Remove the sourcemap generation for coffee

I find this more annoying than useful, I usually want to debug the resulting javascript
Remove copy:jsMap from watch
Adding the option spawn: false

Speeds up the watch from about ~30 seconds to ~5 seconds for the compass and coffee tasks.
Merge pull request #6 from web-masons/speed-up-watch

Adding the option spawn: false
Merge pull request #5 from web-masons/remove-coffeemap

Remove coffeemap
Merge branch 'performance-improvements' into break-out-tasks

Conflicts:
	src/tasks/grunt-contrib-watch/config.js