update gantry to v4.1.0

Release Notes - Gantry Joomla Framework - Version 4.1.0

Bug
• Issue with K2 and Gantry4 template
• menu delay append box pushed down 1px
• .success, .error, .warning and .info table row classes missing
• Load Transitions parameter does not work
• splitmenu showing without children
• tooltip text missing in some places
• The per page layout overrides doesn't work
• strict standards in /html/modules.php
• typography rounded corners
• separator menu item styling
• Linked Titles option does not function for com_content overrides
• Breadcrumbs arrow color different between 3.0 and 2.5
• Submenu items smaller in 3.0
• edit icon tooltip not readable
• Better support for filter colors for IE

New Feature
• new notice styles typography
• Support for Joomla 3.0
• New menu "Dropdown" responsive menu system to replace "Fusion"