Move PCE label handling from APP to protocol.

Change-Id: I26ae21b27ac2dc9ae3302030f6860e0e371c342c
diff --git a/providers/bgp/app/pom.xml b/providers/bgp/app/pom.xml
index a188bc2..f7daea0 100755
--- a/providers/bgp/app/pom.xml
+++ b/providers/bgp/app/pom.xml
@@ -46,5 +46,20 @@
             <artifactId>onos-bgp-provider-topology</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-pce</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-pceweb</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-pcerest</artifactId>
+            <version>${project.version}</version>
+        </dependency>
     </dependencies>
 </project>