Security added to management pages. General security has been inserted via Security file
Adminstrator CRUD done
Texts passed to translations for the shops' texts
Signup funciton for shops taken to a $resource
Validation for shops refactored to a service file
Mail sending in application passed to HTML templates, nhot just texts
Cron tasks enabled
Cron task for updating currencies exchanges added
Error on link fixed
Updated mail sender function to allow templates
Included testing file for mailer
Merge branch 'management-administrators' into develop

Conflicts:
	coverage.html
	package.json
	server/tools/mailer.coffee
Mobile API for signin user, signup user, get current user, and logout