slapos_cloud: Bang related instance when stop/destroy allocated shared instance

  Whenever the allocated shared (slave) instance is destroyed or stopped, isn't included on the getComputerInformation, so the timestamp can eventually go back in time (so partition skips process).

  This ensures that the partition information gets a newer timestamp (larger them the previous one).
5 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS-Master.UnitTest-Master

02:29:42

passed SlapOS.Eggs.UnitTest-Master.Python2

00:26:18

failed SlapOS.Eggs.UnitTest-Master.Python3

00:28:04

passed SlapOS.Eggs.UnitTest-Master.Python2

00:42:53

failed SlapOS.Eggs.UnitTest-Master.Python3

00:27:59