updated welcome page
add fabric js
add fabric js code
add rastr example
add views
add process
add gems
update js
add filepicker
mass update provessing feature
refactor with angular
Merge branch 'feature/processing' into develop

* feature/processing:
  refactor with angular
  mass update provessing feature
  add filepicker
  update js
  add gems
  add process
  add views
  add rastr example
  add fabric js code
  add fabric js
  updated welcome page
  added logics for uploading images
  added load controller, view, bootstrap