fix user avatar change for current user
added ember.js willDestroy methods to remove avatar change events
added gm for image resize and crop
added mkdirp to create dirs recusive
added default upload config
added bower croper to mark images crop areas
create directory if dont exist
added bower croppy lib in requirejs config
added ember.js WeImageCropComponent component
added jCrop to mark images for crop
update on image crop server and client-side mecanism
added param validation on sails ImageController
added ember.js UserNameView for rende user displayName with link
added user displayName set to username if displayname dont exist
added scroll to on index routes
updated avatar change mecanism
added mime node package and get file mime type while save
fix user avatar change
added image avatar style to WeAvatarComponent
Merge branch 'develop' of github.com:wejs/we into develop