Add option to SlidingCurtain to avoid loading JQuery - Resolves #554
Use double quotes in HTML strings in SlidingCurtain
Merge pull request #556 from n2cms/NoJQueryOption

Adds "No JQuery" option
Merge branch 'master' of https://github.com/n2cms/n2cms
(Progress on #557) Fix build break and increment version number
More exception handling