cleanups from cjo
link to coding guidelines
fixes https://github.com/ibm-js/dpointer/issues/11
pointer event names are not exposed anymore as dpointer variables. Use the real name instead "pointerdown", "pointermove"...
Rename attribute data-touch-action => touch-action.
Fixes https://github.com/ibm-js/dpointer/issues/9
Fixes #15. e.preventDefault() throws error.
add IE=edge meta
display scrollevents. detect support for CSS touch-action
restyle