fixed styling of add step, added animal graphics just for fun
added cancel button to add step functionality
few minor styling tweaks, and added 2 files to img folder - deer and geese
Encapsulated the different sections of the detail-page
Deleted d3 files because weren't being used
Added maxlength to edit steps functionality, fixed variables in partials by adding  services to go to the higher scope.
Merge branch 'detail-page'
Merge branch 'master' of https://github.com/ccstevenson/goal-application

Conflicts:
	frontend/app/app.css
Merge branch 'master' of https://github.com/ccstevenson/goal-application