added at_is_db() function to detect for the existence on a db before creating it in include/install/install.inc/php
added at_is_db() check back in
installer adjustments
update db connections for installer/upgrade
first pass update default 1.6 theme to 2.2
Merge branch 'master' of github.com:atutor/ATutor
refine default16 theme for ATutor 2.2
removed comment
removed extra spacing at the top of the header
theme refinement for 2.2
floating toolbar adjustments for cross theme compatibility
intial testing for reintro of content editor accessibility tab
intial testing for reintro of content editor accessibility tab
clean up
added hack to remove the cid from the add_content.php tab in the manage submenu
moved accessibility panel for content editor into editor_tabs/ dir
removed header and foot includes no longer needed
update default15 theme for ATutor 2.2
theme refinements for ATutor 2.2
removed header and foot includes no longer needed