prepare first release, set to dev version, take out colorpicker and theme_leadcolor
Merge branch 'master' of https://github.com/propertyshelf/theming.toolkit.core

Conflicts:
	src/theming/toolkit/core/browser/controlpanel.py
	src/theming/toolkit/core/interfaces.py
	src/theming/toolkit/core/tests/test_registry.py
don’t show title-contact view let by default
update tests