doc updates
Merge pull request #591 from tuscanhobbit/dev

IT localization updated
Fixed. Thanks to Thomas.
expert_mode > expert
H1-H6 simplified (less font sizes), rem
This is even better. Adapts better to Red user settings.
do not load next page if justifiedGallery() is not ready yet
reset testing values back to default
Merge branch 'master' of https://github.com/friendica/red
Issue #590: Linked conversation titles to source. 

If a theme wants to have it different, it can always copy this .tpl file to ../theme/tpl/. I didn't commit this directly, because it's a little bit controversial. But I like it!
define justifiedGalleryActive in head.tpl to not break other pages autoload
make the xchan diagnostic tool useful
Merge https://github.com/friendica/red into pending_merge
log why this doesn't get executed
Merge pull request #592 from jeroenpraat/master

Issue #590: Linked conversation titles to source.
Only use one install file
Here, have a semi-colon
cleanup after recent changes in mod photos
Merge branch 'master' of https://github.com/friendica/red
remove this hub from fallback servers