Enhancement: added a static method sessions() to WikiSession that counts the number of active wiki sessions. Added a simple wiki plugin, SessionPlugin, that returns the same. Slight re-organization of WikiSession (static methods now at bottom).
Enhancement: added a static method sessions() to WikiSession that counts the number of active wiki sessions. Added a simple wiki plugin, SessionPlugin, that returns the same. Slight re-organization of WikiSession (static methods now at bottom).


git-svn-id: 6c0206e3b9edd104850923da33ebd73b435d374d@625100 13f79535-47bb-0310-9956-ffa450edef68

tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki