Custom Function to Align jQGrid Column Headers

  * This Function Changes the Alignment of Column Heading as Desired
  * @author Shiva Bhusal
  * @param tableName Id of table within which jQGrid is to be embedded
  * @param headingName Name of Column Heading
  * @param alignmentType Type of alignment Desired viz, left, center, right
  * @use inside --> loadComplete: function (data) {//Here}
function jQGridAlignHeading(tableName, headingName, alignmentType){
          // Style for Alignment and Padding is for Sort-Icon