Updating gulpfile to fix concat task issues

Adding gulp-clean module as well updating gruntfile to delete the auto
generated hacelo-digital.js file
Some updates in www folder

Adding and removing some files that i will use later.
Nothing in the functionality has changed with this update.
I'm just uploading my changes to be able to work from anywhere
Merge branch 'master' of https://github.com/raiam12/hacelo_ionic

Conflicts:
	hacelo/www/js/hacelo-digital.js