For #1892: Default skin made configurable at code

includes/runtime/Theme.php

@@ -65,7 +65,7 @@ class Vtiger_Theme extends Vtiger_Viewer {
 	 * @return <string> - theme folder
 	 */
 	public static function getBaseThemePath(){
-		return 'layouts'. '/' . self::getLayoutName(). '/skins';
+		return 'layouts'. '/' . self::getLayoutName(). self::DEFAULTSKIN;
 	}
 
 	/**

includes/runtime/Viewer.php

@@ -11,6 +11,7 @@
 class Vtiger_Viewer extends Smarty {
 
 	const DEFAULTLAYOUT = 'v7';
+	const DEFAULTSKIN   = 'skins';
 	const DEFAULTTHEME  = 'softed';
 	static $currentLayout;