fix panel dropdown items too many bugs
add the right padding of panel dropdown itmes
Disable resolve A/B page from cookie.
Fixed assign user to sub site issue.
1. Relation management on A/B rule. #143

2. Relation management code refacting
add reget icon
fix reget icon width
Add the breadcrumb on the page grid and text content grid, also have link to edit current page/folder. #144
Merge branch 'master' of https://github.com/Kooboo/CMS
Additional commit for #144
Merge branch 'master' into customized

Conflicts:
	Kooboo.CMS/Kooboo.CMS.Sites/Kooboo.CMS.Sites.csproj
	Kooboo.CMS/Kooboo.CMS.Web/Kooboo.CMS.Web.csproj