add hover and click event in Relation.
Rename HttpContext.Member() to HttpContext.Membership()
Fixed #115
Merge branch 'master' of https://github.com/Kooboo/CMS
Show the membership setting page.
Merge branch 'master' into customized

Conflicts:
	Kooboo.CMS/Kooboo.CMS.Sites/Controllers/ActionFilters/PageAuthorizeAttribute.cs
	Kooboo.CMS/Kooboo.CMS.Sites/Kooboo.CMS.Sites.csproj
	Kooboo.CMS/Kooboo.CMS.Sites/Membership/ChangeMemberPasswordPlugin.cs
	Kooboo.CMS/Kooboo.CMS.Sites/Membership/EditMemberProfilePlugin.cs
	Kooboo.CMS/Kooboo.CMS.Sites/Membership/IMembershipAuthentication.cs
	Kooboo.CMS/Kooboo.CMS.Sites/Membership/MemberAuthentication.cs
	Kooboo.CMS/Kooboo.CMS.Sites/Membership/SignOutMemberPlugin.cs
	Kooboo.CMS/Kooboo.CMS.Sites/Membership/ValidateMemberPlugin.cs
	Kooboo.CMS/Kooboo.CMS.Sites/View/MenuHelper.cs
	Kooboo.CMS/Kooboo.CMS.Web/Areas/Membership/Controllers/ExternalLoginController.cs
	Kooboo.CMS/Kooboo.CMS.Web/Areas/Membership/MembershipRegistration.cs
	Kooboo.CMS/Kooboo.CMS.Web/Areas/Membership/Menu.config
	Kooboo.CMS/Kooboo.CMS.Web/Areas/Membership/Views/Membership/Edit.cshtml
	Kooboo.CMS/Kooboo.CMS.Web/Areas/Sites/Views/Users/Edit.cshtml