build: maven pom now requires maven version 3.0.4.

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * Added nexus staging deployment plugin.
 * Removed explicit version from licensing plugin.
+* Pom now requires maven version 3.0.4.
 
 ## 2.4.0
 

pom.xml

@@ -13,6 +13,10 @@
     <packaging>jar</packaging>
     <version>2.4.1-SNAPSHOT</version>
 
+    <prerequisites>
+        <maven>3.0.4</maven>
+    </prerequisites>
+
     <name>Ferma</name>
     <description>An ORM for the Tinkerpop3 graph stack.</description>
     <url>https://github.com/Syncleus/Ferma.git</url>