IdStory Identity Manager

i added tests for subtasks - approving of manager, guarantee and security, working on returning and approving and rejecting

completed approveRemoveRoleGuarantee test, (i had small issues with removing role and with other tests)
commit: https://github.com/bcvsolutions/CzechIdMng/commit/d0f295f9fd41613b97bec8d43621399712a8f7a9

Please look on my tests, i made test even with disapproving in subprocess, and write your thoughts.

I tested it and works fine. I merged it in to develop. Thanks for that.