Various changes in BMv2 driver and provider modules (onos1.6 cherry-pick)

Driver notable changes:
- Implemented new behaviors, removed deprecated ones
- Removed flow rule translator classes (now under protocol module)
- Improved FlowRuleProgrammable: now it uses BMv2TableEntryService
	to lookup/bind flow rules with BMv2 table entries, retrieves flow
	statistics, better exception handling when adding/replacing/removing
	table entries.
- Improved PacketProgrammable: better exception handling and logging

Provider notable changes:
- Bmv2DeviceProvider: detects and notifies device configuration
	changes and reboots to Bmv2DeviceContextService, added support for
	periodic polling of port statistics
- Bmv2PacketProvider: implemented workaround for OutboundPackets with
	flood treatment

Change-Id: I79b756b533d4afb6b70025a137b2e811fd42a4e8
diff --git a/providers/bmv2/app/pom.xml b/providers/bmv2/app/pom.xml
index 382b27e..f372476 100644
--- a/providers/bmv2/app/pom.xml
+++ b/providers/bmv2/app/pom.xml
@@ -22,6 +22,7 @@
         <artifactId>onos-bmv2-providers</artifactId>
         <groupId>org.onosproject</groupId>
         <version>1.7.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -33,7 +34,7 @@
 
     <properties>
         <onos.app.name>org.onosproject.bmv2</onos.app.name>
-        <onos.app.title>BMv2 Provider</onos.app.title>
+        <onos.app.title>BMv2 Providers</onos.app.title>
         <onos.app.category>Provider</onos.app.category>
     </properties>