Various physics updates (already obsoleted by physics component)
Add returnValue and cancelBubble to attribute clone list
Merge branch 'data-component' of github.com:jbaicoianu/elation into data-component

Conflicts:
	components/utils/scripts/events.js
Added http_status parameter to ComponentResponse
Added mysql_timestamp() convenience function
Improved login support
Improved user login handling
New components: ui.input ui.label ui.panel ui.progressbar ui.spinner
Added client-side auth code
ui.input, cleaned up html ids
Send 404 for missing pages
Reinitialize components after updating treeview items
Refactored ui.list and ui.select, updated CSS for ui.accordion
Handle ElationUserAuthException in component class
Minor improvements to elation.orm tools
Moved tracking panel inside of disabling {if} statement
Added elation.net.get() and elation.net.post()
Bind passed-in events to component rather than to component's container
Fixed object-accessor bug in OrmManager
Fixed old html.dragdropimage demo to work with current browsers (FIXME - should move into separate component)