Link pom.xml version to plugin.yml version

src/main/resources/plugin.yml

@@ -1,6 +1,6 @@
 main: com.massivecraft.massivecore.MassiveCore
 name: MassiveCore
-version: 2.7.1
+version: ${project.version}
 website: http://massivecraft.com/massivecore
 authors: [Cayorion]
 description: §eMassiveCore is a plugin that contains libraries and features that other plugins make use of. §aCayorion §efrom the minecraft server §aMassiveCraft §eis the lead programmer. Feel free to visit us at §bhttp://massivecraft.com
@@ -133,4 +133,4 @@ permissions:
   massivecore.kit.default:
     default: true
     children:
-      massivecore.kit.rank0: true
+      massivecore.kit.rank0: true