1) bug fix: in createDIDL sometimes comes single item, not array. But array is expected. And method crashes.
Fix: detect if single item is come and convert it to array

2) fix bug with "<?xml..." parse error when php option - short tags - is set

3) upnp broadcast sending page
added button for automatically periodical page refresh for sending broadcast packets without cron, for development purposes

4) Plugins class optimization, method get_plugins
make static cache for optimization when multiple call
Fix track number in quicktime/m4a files
Merge branch 'develop' of https://github.com/SeregaPru/ampache into SeregaPru-develop
Merge branch 'SeregaPru-develop' into develop
Add show_tag_row.inc.php file (fix #456)
Fix SmartPlaylist edit (fix #452)
New parameter to hide directplay/playlist if number of items is above the limit.
Add TortoiseGit config file
Fixed #447: Reseting art stops the player
Fix artist past events list
Allow artist description edit
Display place and year formed