Rearrange StackTach folder into versioned hierarchy

- Move existing files into v2 package
- Create v3 package
- Remove unused provider.py file
- Remove copyright notices from empty __init__.py files

Change-Id: I1a5737139cacf6598cc952e64236951dc8c613a3

cloudcafe/provider.py

@@ -1,15 +0,0 @@
-"""
-Copyright 2013 Rackspace
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-"""

cloudcafe/stacktach/__init__.py

@@ -1,15 +0,0 @@
-"""
-Copyright 2013 Rackspace
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-"""

cloudcafe/stacktach/v2/stacktach_db_api/client.py

@@ -16,7 +16,7 @@ limitations under the License.
 
 from cafe.engine.http.client import AutoMarshallingHTTPClient
 
-from cloudcafe.stacktach.stacktach_db_api.models.stacktach_db_api import \
+from cloudcafe.stacktach.v2.stacktach_db_api.models.stacktach_db_api import \
     (ServerLaunch, ServerLaunches, ServerDelete, ServerDeletes,
      ServerExist, ServerExists, ImageUsages, ImageDeletes, ImageExists)
 

cloudcafe/stacktach/v2/stacky_api/client.py

@@ -16,7 +16,7 @@ limitations under the License.
 
 from cafe.engine.http.client import AutoMarshallingHTTPClient
 
-from cloudcafe.stacktach.stacky_api.models.stacky_api import \
+from cloudcafe.stacktach.v2.stacky_api.models.stacky_api import \
     (Deployments, EventNames, HostNames, TimingsSummaries,
      UuidTimingsSummaries, EventNameTimings, EventDetails, ImageEventDetails,
      KpiDetails, WatchEvents, Reports, EventIdDetails)