Adding P4D2_2018_East Folder (#116)

* Copying P4D2 Fall 2017 into P4D2 2018 East.

* Updated P4D2_2018_East VM.  Added vagrant URL workaround, cdrom to VM.  Updated to latest commits of BMV2, p4c, PI.  Known issue with p4runtime exercise.

* Applied patch from @antoninbas in  and updated solution

P4D2_2018_East/exercises/p4runtime/p4runtime_lib/bmv2.py

@@ -0,0 +1,30 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+#
+from switch import SwitchConnection
+from p4.tmp import p4config_pb2
+
+
+def buildDeviceConfig(bmv2_json_file_path=None):
+    "Builds the device config for BMv2"
+    device_config = p4config_pb2.P4DeviceConfig()
+    device_config.reassign = True
+    with open(bmv2_json_file_path) as f:
+        device_config.device_data = f.read()
+    return device_config
+
+
+class Bmv2SwitchConnection(SwitchConnection):
+    def buildDeviceConfig(self, **kwargs):
+        return buildDeviceConfig(**kwargs)