Added option to support raw QR codes for altcoin support

Makefile

@@ -16,7 +16,7 @@ setup:
 	npm install .
 
 clean:
-	rm dist/* > /dev/nul
+	rm dist/* > /dev/null
 
 # Build QRCode + bitcoinaddress combo in UMD boilerplate wrapped distributable .Jjs bundle
 # Debug version comes with source maps.

README.md

@@ -63,7 +63,13 @@ Setting up `<script>` tag:
                 height: 128,
                 colorDark : "#000000",
                 colorLight : "#ffffff"
-            }
+            },
+
+            // By default the generated QR code is bitcoin:// URL.
+            // However you might want to change this for altcoins, which do not have
+            // official protocol handlers. Set true to remove bitcoin:// from
+            // QR code.
+            qrRawAddress: false
         });
     });
 </script>

bitcoinaddress.js

@@ -218,13 +218,16 @@ module.exports = {
     generateQR : function(qrContainer) {
 
         var elem = qrContainer.parents(".bitcoin-address-container");
+        var url;
         //var addr = elem.attr("data-bc-address");
 
-        var url = this.buildBitcoinURI(elem.attr("data-bc-address"),
+        if(this.config.qrRawAddress) {
+            url = elem.attr("data-bc-address");
+        } else {
+            url = this.buildBitcoinURI(elem.attr("data-bc-address"),
             elem.attr("data-bc-amount"),
             elem.attr("data-bc-label"));
-
-        console.log("QR address URL is ", url);
+        }
 
         var options = $.extend({}, this.config.qr, {
             text: url