Applied JSCS and added JSCS/jsHint config files

Packages/dicomweb/lib/uint8ArrayToString.js

@@ -8,10 +8,11 @@
 uint8ArrayToString = function(data, offset, length) {
     offset = offset || 0;
     length = length || data.length - offset;
-    var str = "";
+    var str = '';
 
-    for(var i=offset; i < offset + length; i++) {
+    for (var i = offset; i < offset + length; i++) {
         str += String.fromCharCode(data[i]);
     }
+
     return str;
 };