Pulling grunt server port to var at top of file

Many applications use port 9000 (had a conflict myself) so this should make it more comprehensive to change that in the grunt file
Adding tests for --coffee option
Merge pull request #136 from TheLonelyGhost/patch-1

Pulling grunt server port to var at top of file
Merge branch 'coffee-test'
Fixes : In Gruntfile, for jasmine livereload
Fixes : In Gruntfile, for mocha livereload
Merge pull request #163 from revathskumar/jasmine-livereload-fixes

Fixes : In Gruntfile, for jasmine/mocha livereload