Merge pull request #330 from tronprotocol/feature/change_fee

code: change asset issue fee.

Author: zhaohong

src/main/java/org/tron/core/config/Parameter.java

@@ -5,10 +5,10 @@ public interface Parameter {
   interface ChainConstant {
 
     long TRANSFER_FEE = 0; // 1 drop
-    long ASSET_ISSUE_FEE = 1000000000; // 1000 trx 10^9
+    long ASSET_ISSUE_FEE = 1024000000; // 1024 trx 1024*10^6
     long VOTE_WITNESS_FEE = 10000; // 10000 drop
     long CREATE_ACCOUNT_FEE = 10000; // 10000 drop
-    long WITNESS_PAY_PER_BLOCK = 32000000;  // 3trx
+    long WITNESS_PAY_PER_BLOCK = 32000000;  // 32trx
     int BLOCK_PRODUCED_INTERVAL = 3; // 3sec
 
     double SOLIDIFIED_THRESHOLD = 0.3;