[PlantUMLBridge] Added bridge for PlantUML. Fixes #1191
[PlantUMLBridge] Added bridge for PlantUML. Fixes #1191

* Fixes #1191 by implementing the RSS feed of PlantUML releases
Riduidel/rss-bridge,Riduidel/rss-bridge,Riduidel/rss-bridge,sebsauvage/rss-bridge,ORelio/rss-bridge,kranack/rss-bridge,kranack/rss-bridge,ORelio/rss-bridge,RSS-Bridge/rss-bridge,Frenzie/rss-bridge,RSS-Bridge/rss-bridge,kranack/rss-bridge,ORelio/rss-bridge,kranack/rss-bridge,Frenzie/rss-bridge,RSS-Bridge/rss-bridge