Block/Transaction text updates

-Locale string tx_hash was changed from "Hash" to "Tx Hash" to be clearer about which Hash it refers to
-TXid was renamed to "Tx Hash" throughout the site
-Removed the coin name from the tx hash label on the transaction page
-Removed the coin name from the block hash label on the block page and changed the text "block" to "Block Hash"

lib/database.js

@@ -1333,7 +1333,7 @@ module.exports = {
   // add or update a single masternode
   add_update_masternode(masternode, add, cb) {
     if (masternode.proTxHash == null && masternode.txhash == null) {
-      console.log('Masternode update error: TXid is missing');
+      console.log('Masternode update error: Tx Hash is missing');
 
       return cb(false);
     } else {