Added another nice example.
Removed lock in Disney material.
Preparing for PR
Switched TLS to use operator[] instead of ().
Merge branch 'master' into DisneyMaterial_optimization
Fixed PR comments.
Removed unused boost headers.
Fixed conflicts in PR.
Formatting fix.
Merge pull request #535 from est77/DisneyMaterial_optimization

Disney material optimization
Fix some disney material editor bugs
Added SeExpr docs, OSL docs and help button in expression editor
Merge pull request #540 from est77/disney_editor_fixes

Disney editor fixes