Release 170 (fabricjs#3437)

* build 170
* fix default values
* fix text not rendering
* other fixes
* finished fixing

v167 (fabricjs#3417)

Ver166 (fabricjs#3350)

* ver 166

Versione 1.6.5 (fabricjs#3316)

* fix to doc
* ver 165

Bump to 1.6.3 (fabricjs#3080)

bump to 1.6.2 and build dist (fabricjs#2973)

Built dist and bump to 1.6.1 (fabricjs#2919)

bumped to 1.6.1

Version bump

Update to 1.6.0 tags, version and dists

Version 1.6.0-rc.1