instead of segment name

feat: region selection

bugfix: hover segment info not working for segmentId > 65500
bugfix: dbl click on viewer not working for segId > 65500

feat: on hover segment show status
bugfix: on parcellation switch segments not selected

This is required to cater for bigbrain jubrain regions

bugfix: user added lm are correctly scaled

chore: clean up code, rename to clarify

feat: added waxholm pt from camilla

fixes #91

now uses worker to parse, and render on a single layer,
should improve performance when rendering lots of landmarks

Should have been debounce, and the behavious is weird

loaded in the wrong template space

feat: using worker to make a single mesh for landmarks (pts only), added support for landmark selection

rc jugex coming soon, active selection encoding, ngViewerState, hover tooltip for tabs, jubrian pmap attribution, data window no longer duplicates, databrowser truncate name, MVP ng layer control