Adding record of permissions obtained to change from apache to MIT license
Update LICENSE-CHANGE-20140312.md

Minor heading edits
Update LICENSE

Changing from Apache to MIT license.  See LICENSE-CHANGE-20140312.md for permissions on this licensing change.
Update NOTICE

Updating Contributors
Update NOTICE
Update NOTICE
Update README.md

Updating License reference in README
Update sketchup-stl.rb

Changing licensing reference in this file from apache to MIT.