manifest embedding in onefile and uac admin and uiaccess support
Added ui_access/ui_admin as command line options
Added documentation for pyi-build for uac_admin and uac_uiaccess
Issue #692: Merge pull request #149 from mementum/develop. Fix merge conflicts.
Issue #692: Move --uac-admin and uac-uiaccess options to makespec.py.
Issue #692: Add doc for options --uac-admin --uac-uiaccess.
Issue #692: Add test for option --uac-admin.
Issue #692: Update test for option --uac-admin.
Merge branch 'mementum-develop' into develop
Merge branch 'develop' of github.com:pyinstaller/pyinstaller into develop