Merge topic 'add-disable-smtk-doc-flags' into release

0fcae1fb Add a superbuild level option to control smtk documentation build

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: T.J. Corona <tj.corona@kitware.com>
Merge-request: !473
5 jobs for install-additional-boost-libraries
Status Job ID Name Coverage
  External
failed cmb@master-kerbin-windows-shared-release+superbuild

failed cmb@master-kerbin-windows-shared-release+superbuild

failed cmb@master-kerbin-windows-shared-release+superbuild

failed cmb@master-kerbin-windows-shared-release+superbuild

failed cmb@master-kerbin-windows-shared-release+superbuild