First variant of Utilities.sendMessageInTime()
Added test for Utilities.sendMsgInTime().
Added closing tickets by time task.
Merge db_branch.
Merge branch 'mechanics'

Conflicts:
	src/main/java/Global/mechanics/MechanicAuctionImp.java
	src/main/tests/MechanicSalesImpTest.java
Merged res system and mechanics.