Add properties to exclude demo from deploy, javadoc, etc

demo/pom.xml

@@ -14,6 +14,12 @@
     <packaging>pom</packaging>
     <name>Demo Parent</name>
 
+    <properties>
+        <javadoc.disabled>true</javadoc.disabled>
+        <deploy.disabled>true</deploy.disabled>
+        <source.disabled>true</source.disabled>
+    </properties>
+
     <build>
         <resources>
             <resource>

pom.xml

@@ -38,6 +38,10 @@
         <mockito.version>2.0.28-beta</mockito.version>
         <cobertura.version>2.7</cobertura.version>
         <coveralls.version>3.1.0</coveralls.version>
+
+        <javadoc.disabled>false</javadoc.disabled>
+        <deploy.disabled>false</deploy.disabled>
+        <source.disabled>false</source.disabled>
     </properties>
 
     <build>
@@ -57,6 +61,9 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <version>2.8</version>
+                <configuration>
+                    <skip>${javadoc.disabled}</skip>
+                </configuration>
                 <executions>
                     <execution>
                         <goals>
@@ -70,6 +77,9 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
                 <version>2.2</version>
+                <configuration>
+                    <skipSource>${source.disabled}</skipSource>
+                </configuration>
                 <executions>
                     <execution>
                         <goals>
@@ -79,6 +89,15 @@
                 </executions>
             </plugin>
 
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <version>2.8.1</version>
+                <configuration>
+                    <skip>${deploy.disabled}</skip>
+                </configuration>
+            </plugin>
+
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
@@ -91,6 +110,7 @@
             </plugin>
 
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-resources-plugin</artifactId>
                 <version>2.4.3</version>
             </plugin>