bugfix: spinner did not disappear after delete operation was finished

fixes #235
bugfix: main yield was not intended correctly

fixes #221
bugfix: handle ESC key so that it is not propagated to the edit view

fixes #210
update changelog
bugfix: slideshare widget generator tried to copy a non-existing folder

fixes #238
update test app gems
bugfix: resource container class was not defined correctly
extend search page and remove search cell

fixes #233
bugfix: in case no homepage found still display a 404 page
update gems
update changelog
bugfix: 404 fix was not applied to generator
update gems
bugfix: got the 404 bugfix wrong and reverted the change accidentially
blog without cells dependency

+ right sidebar with rss link and latest posts
blog pagination
blog post pagination

+ rename page instance variable to page_index to prevent confusion
+ refactor pagination into partial
button to create new blog post in place
bugfix: bootstrap red css alert class
simplified user model

+ store editors in a time based system cache
+ only store user id in session