depage-magaziner: commented code and moved events to its own function
depage-magaziner: added basic ajax-loading/preloading
depage-magaziner: enhanced ajax-loading of pages

- added statechangecomplete event that fires after navigating to a page *and* having loaded its contents
- changed preloading pages to be called by number index
Merge branch 'master' of github.com:depage/depage-jquery-plugins