make cellNameTop, cellValueTop, cellBitValueTop relative to cellTop
rotate bitnum values that don't fit (tentative)
Merge branch 'gh-pages' of https://github.com/sglaser/respec into gh-pages

* 'gh-pages' of https://github.com/sglaser/respec:
  make visibleLSB and visibleMSB work
  support maxFigWidth (defaults to 7.5 inches)

Conflicts:
	js/core/regpict.js
make visibleMSB / visibleLSB work again after merge, build