Merge pull request #145 from thongsav-usgs/master

scroll tweaks
Added hooks for anchor point highlighting
Merge branch 'master' of https://github.com/USGS-CIDA/CIDA-Viz
Merge pull request #147 from isuftin/master

	Added hooks for anchor point highlighting
Merge pull request #148 from thongsav-usgs/master

Fixed chrome icon updating
Layout tweaks