hotfix release 0.4.1

remove redundant netty dependencies from http for now and make regionfile fall back to read-only mode

build.gradle

@@ -26,7 +26,7 @@ allprojects {
     ext {
         //general things
         javaVersion = "1.8"
-        porklibVersion = "0.4.0"
+        porklibVersion = "0.4.1"
 
         //dependency things
         apacheCommonsCompressVersion = "1.16.1"

http/build.gradle

@@ -14,9 +14,11 @@
  */
 
 dependencies {
-    compile project(":network:netty-common")
+    //TODO: netty backend isn't implemented yet
+    //compile project(":network:netty-common")
 
-    compile "io.netty:netty-handler:$nettyVersion"
+    //compile "io.netty:netty-handler:$nettyVersion"
+    compile "io.netty:netty-buffer:$nettyVersion"
 
     testCompile project(":encoding")
 

minecraft/src/main/java/net/daporkchop/lib/minecraft/world/format/anvil/RegionFile.java

@@ -78,6 +78,7 @@ counts. The chunk offset for a chunk (x, z) begins at byte 4*(x+z*32) in the
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.util.ArrayList;
@@ -118,7 +119,17 @@ public RegionFile(File path) {
                 lastModified = path.lastModified();
             }
 
-            file = new RandomAccessFile(path, "rw");
+            try {
+                file = new RandomAccessFile(path, "rw");
+            } catch (IOException e)   {
+                try {
+                    //try to open in read-only mode
+                    file = new RandomAccessFile(path, "r");
+                } catch (IOException e1) {
+                    //if that fails too, throw the original exception
+                    throw e;
+                }
+            }
 
             if (file.length() < SECTOR_BYTES) {
                 /* we need to write the chunk offset table */