updates to manage tournament

take into account of collaborators for each tournaments.
codes are commented off at the moment.
limit display of event name to prevent overflow
Updated ezwebdevt components
Merge branch 'master' of https://github.com/glenwks/genshyft
Merge remote-tracking branch 'genshyft/master'
Fix accept mentee and remove mentor bug

Added method for removal and accept mentee
Merge pull request #190 from glenwks/master

Fix accept mentee and remove mentor bug