Added a demo mode (config: demo_mode = true). In that mode, logins get read-only (even for admins)

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2951 a333f486-631f-4898-b8df-5754b55c2be0
#804 tickets' highlighting is now based on the computation performed by the stopwatch, in order to support non 24x7 working hours

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2952 a333f486-631f-4898-b8df-5754b55c2be0
#805 Use a mutex to turn the insertion of a new ticket into an atomic operation

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2953 a333f486-631f-4898-b8df-5754b55c2be0
Oops, rollback of the previous (unexpected) commit...

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2954 a333f486-631f-4898-b8df-5754b55c2be0
Compiler: added "constants"

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2955 a333f486-631f-4898-b8df-5754b55c2be0
#805 The label of the ticket must be computed at the last minute, just before insertion, for the Mutex to be effective

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2956 a333f486-631f-4898-b8df-5754b55c2be0
Cosmetic style adjustment for the portal...

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2957 a333f486-631f-4898-b8df-5754b55c2be0
Draft of the readme for 2.0.2 beta

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2958 a333f486-631f-4898-b8df-5754b55c2be0