Release 3.5.7

* Installation required installing specific version of Rails first. For reasons I can't determine, the gem can't resolve what should be compatible versions of both 'activesupport' and 'builder' gems.
update release notes for 3.5.7
Merge branch 'source/3.5.x' into 3.5.x

# By Patrick Peak
# Via Patrick Peak
* source/3.5.x:
  update release notes for 3.5.7
  Release 3.5.7