Sitemap knockout part updated.
#990: master page selections updated.
#991: user access rights are copied from master page.
#932 HTML widgets: implemented widget options
#992: new user access role added - BcmsManageUsers.
#932 HTML widgets: implemented widget options API and API tests
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#932 Implemented smart tags for content option
#965 Fixed displaying of image extension in media manager
#972 Added z-index to content overlays
#974 Pages / Blogs API: added masterPageId, master page options; wrote API tests
#961 Restored cms.config for API tests
#972 Removed z-index, because it hides content overlay
#961 On closing ckEditor, minimizing all their instances
#950 Smart tags with dates: by default, dates are being rendered using browser culture
#950 Fixed options tests
Merge branch 'dev-1.5.2' into dev
#967 After session expiration user is redirected to the login page
#979 Fixed saving of blog post when default blog post master page was changed
Update sitemap node title on page delete.