added OSDection, and prebuilt aapt

brut.j.util/src/main/java/brut/util/OSDetection.java

@@ -0,0 +1,33 @@
+/**
+ *  Copyright 2010 Ryszard Wiśniewski <brut.alll@gmail.com>
+ *  Copyright 2013 Connor Tumbleson <connor.tumbleson@gmail.com>
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package brut.util;
+
+public class OSDetection {
+  private static String OS = System.getProperty("os.name").toLowerCase();
+  
+  public static boolean isWindows() {
+    return (OS.indexOf("win") >= 0);
+  }
+  
+  public static boolean isMacOSX() {
+    return (OS.indexOf("mac") >= 0);
+  }
+  
+  public static boolean isUnix() {
+    return (OS.indexOf("nix") >= 0 || OS.indexOf("nux") >= 0 || OS.indexOf("aix") > 0 || (OS.indexOf("sunos") >= 0));
+  }
+}