Fixes for environment variables sent to components

[pablocarle]

• _CEE_ENVFILE* are not sent downwards to the components to avoid conflicts.
• Send a memory copy of environment variable list.
• Fix to send environment variables for zwe internal get-launch-components

Resolve #75

[1000TurquoisePogs]

Thank you, this is looking good to me as well so I'm going to merge it due to @pj892031 's approval.