Is the phase globally disabled?

A disabled phase is not called automatically called by ToolContext::run_phases and cie.

Warning: disabling a phase may cause subsequent phases to work in a degraded way or to fail.

Property definitions

nitc $ Phase :: disabled
	# Is the phase globally disabled?
	# A disabled phase is not called automatically called by `ToolContext::run_phases` and cie.
	#
	# Warning: disabling a phase may cause subsequent phases to work in a degraded way or to fail.
	var disabled = false is writable
src/phase.nit:234,2--238,33