fix nexus save

Make save function use same function as edit to check what nexus to
save.
Merge pull request #223 from TheMightyBuzzard/master

Small change to enable unicode->html entity conversion.
Fix properly since the issue is topics not nexus

changed var that needed to be looked at when checking
story_nerver_topic.

Make it so all nexuses can be disabled (main page will be shown by
default)
Fix templates

dispStory need the title on nexus stories to be a link in both regular
and brief stories.

Add new sections template that loads sections (nexuses) below main nav.
fixes for brief article styling
Merge remote-tracking branch 'upstream/master' into Nexus_support

merging upsteam to get ready for deploy
Fixes for broken messages
Merge pull request #224 from paulej72/Nexus_support

Nexus support fixes
Merge pull request #225 from paulej72/Messages

Fixes for broken messages
wrong rootdir
Merge pull request #227 from paulej72/Nexus_support

wrong rootdir