** Added indexDocument column into IllusionGroup entity
** Removed xmpp related operations (room creation, bot invitation) from
Illusion group creation
** Added scss mixin that can be used to reset something back to default
html style
** Removed pretty much everything from Illusion group and replaced the
view with index document content
** Changed version into 3.1.3
** Fixed bug that caused sessions to always timeout in 5 minutes
Merge branch 'devel' into FTR-128_ILLAY
** Bumped version into 3.1.4-SNAPSHOT
Merge branch 'devel' into FTR-128_ILLAY
** Added an ui draft of Illusion menu
** Removed index document from Illusion group
** Added initial draft of IllusionGroupMaterial entity
** Added initial draft of IllusionGroupForgeMaterial entity
** Generalized getMaterialData from MaterialsServlet into
MaterialController
** Added support for index texts into Illusion groups
** Bumped version number into 3.2.0-SNAPSHOT
** Changed Illusion menu item to be visible
** Removed IllusionGroupMaterial and related entities
** Removed indexText property from IllusionGroup
** Added IllusionGroupFolder and IllusionGroupDocument entities
** Added icon for illusion group folder