added support for return number and point source id
refactoring loading nodes; added support for binary version 1.4 - ending with .bin
made measurement tool independant of scale
added changelog
Update changelog.md
update changelog and readme
Update changelog.md
Update changelog.md
added rotate event dispatcher to first person controls; fixed firefox wheel speed
Merge pull request #84 from potree/first_person_controls

added rotate event dispatcher to first person controls; fixed firefox wh...
updated builds
process on transformation tools
making measurement points dragable
added scale tool
Update changelog.md
added scale tool
finished rotation
added area tool
progress on making point size metric a direct representation of the scene units
finished scene unit based point size metric. adaptive point size involves the point cloud spacing as well