Split administration commands into a plugin, enhance plugin manager

James Moger

2014-03-30 413e9b486b1a84960d4c8ddac130e87280f64c6a

src/main/java/com/gitblit/transport/ssh/gitblit/TicketsDispatcher.java does not exist in tree 92468e43da3eb8125a5da9f5e39e1a7aee1dd9a8