HappyBase version 1.0.0 changed how thrift exception are handled

The AlreadyExists exception is in 'Hbase_thrift' module instead of the
'happybase.hbase.ttypes' one.

Author: jubarbot-cisco

api/src/main/resources/application_registrar.py

@@ -23,7 +23,7 @@
 import logging
 import json
 import happybase
-from happybase.hbase.ttypes import AlreadyExists
+from Hbase_thrift import AlreadyExists
 
 from lifecycle_states import ApplicationState
 

api/src/main/resources/package_registrar.py

@@ -23,7 +23,7 @@
 import logging
 import json
 import happybase
-from happybase.hbase.ttypes import AlreadyExists
+from Hbase_thrift import AlreadyExists
 
 from package_parser import PackageParser