#547 Fixed access control caching.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#547 Pages list filtered by access rules.
#24 Some of the membership provider methods implementations; tests; created sandbox login;
#547 defaultAccessLevel property added to the cms.config file to define a default access level (ReadWrite|Read|Deny) if no access rules are defined for secured object.
#622 Restored options adding to ViewBag; newsletter's option changed to boolean type
#615 JavaScript disabled in widget previews and enabled in content history preview
#618 By default, each boolean option has default value = false
#24 Restored no role manager and no membership provider in web.config
#620 Date validation added to datepicker, when entering option values
#619 Options grid: fixed date pickers mouse down event handling
#616 Fixed enter press in date picker box
When saving user access, saving flag isForRole
#547 Files filtering.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#621 Options: added flag, which show if option use default value
#621 Fixed option values saving / getting tests
cc.net nuget.org script: added new modules
Fixed loading of layout options when creating / editing page option values
#621 Fixed switching of layout with options values; created extender for boolean input;