Add support for specifying frame# in URL
lf-render: Make interposing neuron positions optional
lf poseZoom: Add +/- buttons, allow negative values
Fix showing neuron positions: The neurons are at top left, not bottom left corner of the label
Do not link to video25 from frontpage, we'd have to extensively tweak poseinfo throughout the video for it to make sense
Change default pose info to match video24 + video26, +HACK specific override for video32
Merge branch 'master' into production