Fixed rendering of blog post layout when page is not a blog post
Installation script modifications; renamed all the layouts;
Added more tags to blog posts
Slider: calculating it's position depending on images count
Demo web site: image gallery album widget added to home page
Missing CSS file
Demo project modifications
Removed unused images
Sample images uploaded to media manager, updated paths to files
website modifications for gallery refactoring
Version of BetterCms upgraded to 1.3.4-beta5
Added configuration value, indicating, if demo data should be installed
Migration script update
Image updates
Added new authors for blog posts
Added lightbox plugin for displaying images in modal window
Added missing lightbox plugin
removed unused usings
web site reset timeout added to web.config
Merge branch 'CleanUpForV1_3' into dev-tempdb
Merged from main branch

Conflicts:
	BetterCms.Demo.Web/Config/cms.config
	BetterCms.Demo.Web/Config/connectionStrings.config
	BetterCms.Demo.Web/Views/Shared/Layouts/Light/_BcmsLightLayout.cshtml
	BetterCms.Demo.Web/Web.config