feature(util) add rmNewLine

lib/util.js

@@ -60,6 +60,19 @@ Util = exports || {};
         return pText + lNewLine;
     };
     
+    /**
+     * rm new line (if it's)
+     * @param {string} pText
+     */
+    Util.rmNewLine             = function(pText){
+        var n           = pText && pText.length - 1;
+        
+        if (n && pText[n] == '\n')
+            pText = pText.substr(pText, n);
+        
+        return pText;
+    };
+    
     /** setting function context
      * @param {function} pFunction
      * @param {object} pContext