Changeset 6993 for trunk/sources/HeuristicLab.Clients.Hive.Slave.App/3.3/Properties

#1672

• removed unused files
• changed the plugin cache path of the Slave HL App so that HL doesn't discover Hive assemblies
• cleaned up config files
• incremented version number of installers to 3.3.6
• removed Execution time on Hive from Status page because it can't be calculated without the user statistics