- delete all old pre-IPC2-rewrite code - rename functions: 	IPC2_CHILD() -> IPC_CHILD 	IPC2_END -> IPC_END 	IPC2_INIT() -> IPC_START 	IPC2_MASTER() -> IPC_MASTER - remove the "don't IPC_START in a subshell" warning because it's   no longer an issue.
- delete all old pre-IPC2-rewrite code
- rename functions:
	IPC2_CHILD() -> IPC_CHILD
	IPC2_END -> IPC_END
	IPC2_INIT() -> IPC_START
	IPC2_MASTER() -> IPC_MASTER
- remove the "don't IPC_START in a subshell" warning because it's
  no longer an issue.

jrrs/sh