1) Implemented subProducts management: create, move, delete, rewrite

2) Implemented MultiProductsImage view on the Home page
Merge remote-tracking branch 'origin/design' into MultiProductsImage-AdminUpdate
Merge branch 'develop' into MultiProductsImage-AdminUpdate
added bootstrap-modal.js
Merge branch 'develop' into MultiProductsImage-AdminUpdate
Updated plus management
Merge pull request #7 from xdollarx/MultiProductsImage-AdminUpdate

Multi products image admin update