Add a getMap function to YamlConfiguration

Also rename the Maven project from 'Denizen' to "DenizenCore'

pom.xml

@@ -8,7 +8,7 @@
     <artifactId>denizencore</artifactId>
     <packaging>jar</packaging>
     <version>1.01</version>
-    <name>Denizen</name>
+    <name>DenizenCore</name>
     <description>A powerful scripting engine for games</description>
 
     <properties>