Changes the name from environmentargs to debugenvs
Effects VS flags EnvironmentArgsInherit and EnvironmentArgsDontMerge which become DebugEnvsInherit and DebugEnvsDontMerge respectively.
Flags
EnvironmentArgsDontMerge - Default is to merge these Environment arguments specified with the current environment args.
EnvironmentArgsInherit - Inherits from parent or project defaults.