PCEP Protocol code restructured to move under PCEP Server code for more readability. Later Client code can be added under client folder.

Change-Id: Ie79599a170d94d8e0a00e0d034b083b3894199ee
diff --git a/pom.xml b/pom.xml
index b35b705..33ad1be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -195,7 +195,7 @@
 
             <dependency>
                 <groupId>org.onosproject</groupId>
-                <artifactId>onos-pcep-controller-api</artifactId>
+                <artifactId>onos-pcep-server-api</artifactId>
                 <version>${project.version}</version>
             </dependency>
             <dependency>
@@ -213,7 +213,7 @@
             </dependency>
             <dependency>
                 <groupId>org.onosproject</groupId>
-                <artifactId>onos-pcep-controller-api</artifactId>
+                <artifactId>onos-pcep-server-api</artifactId>
                 <version>${project.version}</version>
                 <classifier>tests</classifier>
                 <scope>test</scope>