Merge pull request #64 from pfctgeorge/contest-registration

add column `studentId` to `contestTeamInfo` table
Fix #16 - reset isAdmin property of status condition.
Merge pull request #65 from lyhypacm/persistence-cleanup

For #16 - reset isAdmin property of status condition.
[UPDATE] Remove unused files
[UPDATE] Remove sitemesh and add index.html
[UPDATE] Move cdoj out of plugin directory
[UPDATE] Add bower
[UPDATE] Use bower
[UPDATE] It works!
[UPDATE] transport navbar list
[UPDATE] Transport user menu
[UPDATE] Add home page
[UPDATE] Article controller added, but fineuploader does not work now
[UPDATE] Add problem list and use pagination in bootstrap-ui
[UPDATE] Add problem page
[UPDATE] Add problem editor
[UPDATE] Add contest list
[UPDATE] Use javascript:void(0); instead of # in blank url
[UPDATE] Add rejudge button
[UPDATE] Add basic contest page