Implemented WYSIWYG for product description field
Added tinymce_rails_imageupload plugin
Added Author bio tab in Spree/admin and New product fields
Merge branch 'wysiwyg_feature' into wysiwyg_image_upload

Conflicts:
	config/tinymce.yml
1) Added configuration for rich_editor content
2) Added option "none" to bio list on product page.
Added functionality to add description of product in multilingul
Fixes for easy_globalize3_accessors load error