[ONOS-1925]
1.fix javadocs bugs.
2.add pcep tunnel provider;
3.change pcep to pcep app;
4.fix some bugs according to review suggestions.

Change-Id: I4b90d9bf871dee3be70615d66db3d74f2fd85389
diff --git a/providers/pcep/pom.xml b/providers/pcep/pom.xml
new file mode 100644
index 0000000..41f7c9b
--- /dev/null
+++ b/providers/pcep/pom.xml
@@ -0,0 +1,16 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.onosproject</groupId>
+    <artifactId>onos-providers</artifactId>
+    <version>1.2.0-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+  <artifactId>onos-pcep-providers</artifactId>
+  <packaging>pom</packaging>
+  <modules>
+  	<module>topology</module>
+  	<module>tunnel</module>
+  	<module>app</module>
+  </modules>
+</project>
\ No newline at end of file