WIP : Upload management
Working catalog branch
Added missing files
WIP : Upload management (upload+save+delete done) need to finish integration and add all image fields
Fixed product update process
Finished product feature values
Aded feature_template and category_template position management
Finished product features management
Merge branch 'master' of https://github.com/thelia/thelia into upload_management

# By Manuel Raynaud (60) and others
# Via Manuel Raynaud (16) and others
* 'master' of https://github.com/thelia/thelia: (113 commits)
  implement process for changing folder position
  allow possibility to change folder visibility
  allow to create folder
  add dispatcher before/after for folder crud management
  icreate folder delete event
  process folder update action
  create folder events
  display info in folders edition template
  push model
  re-add home link in menu
  comment dev menu in layout
  translate some missing string
  fixes order integration
  order process
  change some informations in layou
  fix query in Thelia\Model\Folder::countAllContents
  allow to order products on category page
  Add default language & editing language default field
  Vertical align middle tables
  Fixed translations
  ...

Conflicts:
	core/lib/Thelia/Tools/I18n.php
	templates/admin/default/category-edit.html
Ajaxified product modification tabs
Working : Image management set on Category
Finished product multiple categories attachment
Started price tab
Put curresncy selector in toolbar
Working : Upload management : fix e.preventDefault in chrome and safari
allow update content position number
Finished combination creation GUI
allow to load jquery offline
Working : Upload management : on folder, category, product
Merge branch 'master' of https://github.com/thelia/thelia into upload_management

# By Manuel Raynaud (14) and Etienne Roudeix (1)
# Via Etienne Roudeix
* 'master' of https://github.com/thelia/thelia:
  cache dataccessfunctions
  fire event on insert content in createmethod
  fix issue, default foler is set on content creation
  allow to create new content
  update default param of content model
  create content listener for crud management
  dispatch event in pre/post crud method for content model
  display content modification page
  create contentUpdateEvent
  create contentCreateEvent
  create ContentEvent
  create contentModificationForm
  create content controller
  change folder_id parm by parent in list folder view
  use placeholder in folder update route