** Added IllusionGroup entity
** Added controller for IllusionGroup
** Added illusion group view draft
** Added simplify javascript library
** Prototyping Illusion map tool
Merge branch 'devel' into FTR-71_ILLUSION
** Added diff_match_patch javascript library
** Still prototyping illusion map tool
** Prototyping Illusion map tool
** Prototyping Illusion map tool
** Illusion map tool prototyping
** Illusion map tool prototyping
** Illusion map tool prototyping continues
** Generalized not Forge specific parts of Forge CoOps servlet into
AbstractCoOpsServlet so the servlet code could be reused in Illusion map
tool CoOps servlet
** Added new material type Map (for Illsion map tool)
** Changed coops-rest -plugin to use sessionId instead of clientId
(upcoming change in the CoOps spec)
** Changed clientId -> sessionId in MaterialRevisin entity
** Changed clientId -> sessionId in CoOps model
** Added DAOs for Map and MapRevision
** Fixed permission check in Forge CoOpsServlet