Fixed CSRF Documentation Bug

The documented example of backward compatible CSRF tokens contained a bug that was fixed.

(CMS-21769)

Segment Validator Warns of Unfavourable Segment Names

It is not recommended to use a segment name in pages ending with a number preceded by a minus sign. The default request mapping can get confused by interpreting the number as content ID. In some rare cases that can lead to CAE handler error and such a page is not accessible. The ChannelSegmentValidator warns about such unfavourable segment names.

(CMS-19526)

Improved CAE Local Properties for Template Development

The local spring profile for live and preview CAE now configures the following JSP-related defaults:

server.servlet.jsp.init-parameters.development=true
freemarker.template.update.delay.in.seconds=1

(CMS-18984)