Use JRendererJlayout in plugins
Rework JPlugin
[imp] proposed JPlugin changes
[imp] comment layout vars
Merge pull request #1 from phproberto/wilsonge-60

[imp] proposed JPlugin changes
Alter @since tags
[imp] standarise layout vars comments + calls from plugins
Merge pull request #2 from phproberto/wilsonge-60

[imp] standarise layout vars comments + calls from plugins
Merge pull request #60 from wilsonge/fix

Use JRendererJlayout in plugins