Removed article color gradients to support flat design.
Fix SQL for PostgreSQL.
Converted dynamic fields backend and object handlers to ObjectManager. This solved a failing UT as well.
Made TimeObject aware of the object manager.
Typo.
Tidied.
Fixed typo in object manager variable.
Tidied.
Merge branch 'master' of git.otrs.com:otrs/otrs
Removed useless use of Kernel::System::Ticket.
Tidided, corrected object dependencies.
Merge branch 'master' of git.otrs.com:otrs/otrs

Conflicts:
	Kernel/System/DynamicField/ObjectType/Ticket.pm
Small fix.
Fixed UT.
Added missing object dependencies.
Changed minimum requirement for Postgres database to version 8.4.
Fixed OMAware detection.
Improved ObjectManager unit tests, verify that ObjectManagerAware actually works.
Fixed funny mexican misspelling and corrected OM dependencies.
Avoid SysConfig instantiation.