* bindusg.adb: Undocument -f switch.

	* gnatcmd.adb: Remove /FULL_ELABORATION.

	* opt.ads (Force_RM_Elaboration_Order): Document that this is
	obsolescent.

	* gnatbind.adb: Output new warning for use of obsolescent -f switch.

	* gnatbind.adb: Minor update of warning msg.

From-SVN: r46657