Added group whitelist system

pom.xml

@@ -146,6 +146,10 @@
             <id>CodeMC</id>
             <url>https://repo.codemc.org/repository/maven-public</url>
         </repository>
+        <repository>
+            <id>jitpack.io</id>
+            <url>https://jitpack.io</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -197,6 +201,14 @@
             <version>1.7</version>
             <scope>compile</scope>
         </dependency>
+
+        <!-- Vault, used for permission checks -->
+        <dependency>
+            <groupId>com.github.MilkBowl</groupId>
+            <artifactId>VaultAPI</artifactId>
+            <version>1.7</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
 </project>