Revert "Bump plexus-velocity from 1.2 to 2.0 and velocity from 1.7 to 2.3 (#195)" (#198)

This reverts commit df4b8fd.

Author: gnodet

maven-plugin-tools-generators/pom.xml

@@ -63,7 +63,7 @@
     <!-- other -->
     <dependency>
       <groupId>org.apache.velocity</groupId>
-      <artifactId>velocity-engine-core</artifactId>
+      <artifactId>velocity</artifactId>
     </dependency>
 
     <dependency>

pom.xml

@@ -247,20 +247,24 @@
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-velocity</artifactId>
-        <version>2.0</version>
+        <version>1.2</version>
         <exclusions>
           <exclusion>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-container-default</artifactId>
           </exclusion>
+          <exclusion>
+            <groupId>velocity</groupId>
+            <artifactId>velocity</artifactId>
+          </exclusion>
         </exclusions>
       </dependency>
 
       <!-- other -->
       <dependency>
         <groupId>org.apache.velocity</groupId>
-        <artifactId>velocity-engine-core</artifactId>
-        <version>2.3</version>
+        <artifactId>velocity</artifactId>
+        <version>1.7</version>
       </dependency>
 
       <dependency>