Fix for #6
IE8 threw an error on the scroll position. Also, a fix for the dialog background when the page has a scrollbar.
Merge pull request #7 from zachleat/master

Fix for #5 and #6
Another IE8 fix related to #5
Merge pull request #8 from zachleat/master

Yet another fix related to #5
Adding bower.
Merge remote-tracking branch 'upstream/master'
Add [data-transbg] option for dialogs with transparent background curtains
Increment bower version.
add qunit test suite
add first tests
readme correction
test trigger open
made open and close tests async
back button and escape test
clean up close tests
clean up open tests
constructor, open method, isSetScrollPosition method
add dialog method to dialog prototype
centralize open check for close