Control Panel: global attributes listing and edit page was rewritten. Fixed a lot of bugs related to grid of attributes.
Global attribute form now broken on two parts: main attribute data and other (subform). Subform creates by another controllers:  core (for product options) and extensions(for other attribute types)
Core: global attribute type name now multilingual.
Merge branch '1.1.7' of github.com:abantecart/abantecart-src into 1.1.7