Merge pull request #92 from kabrewer07/highlight_glitch

fix highlight glitch for the most part
add rotations to s-block and to z-block
Merge pull request #93 from alanflorendo/rotate_z_and_s

add rotations to s-block and to z-block
few minor css tweaks
Merge branch 'master' of https://github.com/woolly-bear-caterpillars-2014/Tetroggleable into highlight_glitch