Update last pulled PR (didn't compile anyways :P), bump deps, and upd…

…ate to 2.2.1.

build.gradle

@@ -3,7 +3,7 @@ apply plugin: 'maven'
 apply plugin: 'eclipse'
 apply plugin: 'idea'
 
-version = "2.2.0"
+version = "2.2.1"
 group = "com.github.parker8283"
 archivesBaseName = "BON"
 
@@ -12,8 +12,8 @@ repositories {
 }
 
 dependencies {
-    compile 'org.ow2.asm:asm-debug-all:5.0.3'
-    compile 'com.google.guava:guava:17.0'
+    compile 'org.ow2.asm:asm-debug-all:5.0.4'
+    compile 'com.google.guava:guava:18.0'
     compile 'net.sf.jopt-simple:jopt-simple:4.8'
 }
 

src/main/java/com/github/parker8283/bon2/util/BONUtils.java

@@ -1,21 +1,24 @@
 package com.github.parker8283.bon2.util;
 
+import com.github.parker8283.bon2.data.BONFiles;
+import com.google.common.collect.Lists;
+
 import java.io.File;
+import java.util.Collections;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import com.github.parker8283.bon2.data.BONFiles;
-import com.google.common.collect.Lists;
-
 public class BONUtils {
     private static final Pattern VERSION_PATTERN = Pattern.compile("^\\d+\\.\\d+(\\.\\d+)?(_\\w+)?-\\d+\\.\\d+\\.\\d+\\.\\d+(-.+)?");
     private static final Matcher versionMatcher = VERSION_PATTERN.matcher("");
 
     public static List<String> buildValidMappings() {
         File[] versionFolders = BONFiles.MINECRAFTFORGE_FORGE_FOLDER.listFiles();
+        if(versionFolders == null) {
+            return Collections.emptyList();
+        }
         List<File> acceptedVersions = Lists.newArrayList();
-        if(versionFolders == null) return new ArrayList<>();
         for(File file : versionFolders) {
             String name = file.getName();
             if(!name.startsWith("1.6") && versionMatcher.reset(name).matches()) {