move 'domready' trigger to onAdd() function
move 'domready' trigger to onAdd() function

line 849 - move the 'domready' trigger from updateContent_() into the onAdd() function, so that the 'domready' event is fired AFTER the infoBubble is actually added to the DOM (or it's impossible to dynamically add / find the infoBubble)
- minor code clean-up for consistency in spacing and line breaks
googlearchive/js-info-bubble,philgruneich/js-info-bubble