event handlers: tweak logging (#275)
event handlers: tweak logging (#275)

changes:
  - reduce verbosity of handle reloc log messages
  - uses logging instead of print for warning about deprecation
cmaruti/vivisect,atlas0fd00m/vivisect,atlas0fd00m/vivisect,vivisect/vivisect,vivisect/vivisect,bat-serjo/vivisect,atlas0fd00m/vivisect,vivisect/vivisect,bat-serjo/vivisect,bat-serjo/vivisect,cmaruti/vivisect,cmaruti/vivisect