Pom cleanup (#290)

* Fix poms warnings
Bumped javadoc plugin to latest version

Signed-off-by: Francesco Guardiani <francescoguard@gmail.com>

* Dumped back the javadoc version

Signed-off-by: Francesco Guardiani <francescoguard@gmail.com>

Author: slinkydeveloper

api/pom.xml

@@ -29,7 +29,6 @@
 
     <artifactId>cloudevents-api</artifactId>
     <name>CloudEvents - API</name>
-    <version>${project.parent.version}</version>
     <packaging>jar</packaging>
 
     <properties>

core/pom.xml

@@ -27,7 +27,6 @@
 
     <artifactId>cloudevents-core</artifactId>
     <name>CloudEvents - Core</name>
-    <version>${project.parent.version}</version>
     <packaging>jar</packaging>
 
     <properties>

formats/json-jackson/pom.xml

@@ -23,12 +23,11 @@
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
         <version>2.0.0-SNAPSHOT</version>
-        <relativePath>../../</relativePath>
+        <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <artifactId>cloudevents-json-jackson</artifactId>
     <name>CloudEvents - JSON Jackson</name>
-    <version>${project.parent.version}</version>
     <packaging>jar</packaging>
 
     <properties>

http/basic/pom.xml

@@ -22,7 +22,7 @@
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
         <version>2.0.0-SNAPSHOT</version>
-        <relativePath>../../</relativePath>
+        <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <artifactId>cloudevents-http-basic</artifactId>

http/restful-ws-integration-tests/pom.xml

@@ -23,7 +23,7 @@
         <artifactId>cloudevents-parent</artifactId>
         <groupId>io.cloudevents</groupId>
         <version>2.0.0-SNAPSHOT</version>
-        <relativePath>../../</relativePath>
+        <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

http/restful-ws/pom.xml

@@ -22,7 +22,7 @@
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
         <version>2.0.0-SNAPSHOT</version>
-        <relativePath>../../</relativePath>
+        <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <artifactId>cloudevents-http-restful-ws</artifactId>

http/vertx/pom.xml

@@ -23,7 +23,7 @@
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
         <version>2.0.0-SNAPSHOT</version>
-        <relativePath>../../</relativePath>
+        <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <artifactId>cloudevents-http-vertx</artifactId>