* Move almost all uses of StringBuffer to StringBuilder,

for efficiency (thanks Arsene for the suggestion)

apps/i2psnark/java/src/org/klomp/snark/BitField.java

@@ -140,7 +140,7 @@ public class BitField
   public String toString()
   {
     // Not very efficient
-    StringBuffer sb = new StringBuffer("BitField(");
+    StringBuilder sb = new StringBuilder("BitField(");
     sb.append(size).append(")[");
     for (int i = 0; i < size; i++)
       if (get(i))