#503542 by mattyoung: removal of array_keys dead code, #503538 by mattyoung: removal of additionaljavascript key from options array, #509292 by jcdenton.dm - adding link to readme during install if excanvas is not installed properly

Updating to 0.9.5-rc1 of plugin, making beautytips_style a theme function, fixing js bug when no default settings are present

#426202 -  allow use of version r3 of excanvas - adding version 0.9.3 of beautytips plugin, API now allows custom text to be added (instead of using content-select)

#413438 - make sure drupal.settings aren't added twice.  This was causing the beautytips not to be added.

#426202: remove a comma in bt_text_box.js, adding js to bt-admin page, switching back to excanvas_0002

#413438 by google torp:  limiting beautytips to selected form-ids, #374796 by jjeff: making styles available on admin page.  Letting users hook into any beautytips option via beautytips_add_beautytips.

#374454 by Alex UA - added optio nto popup default drupal help, #373920 by jjeff - removed theme_form override and added form alter instead.