* completions/p4.fish
* Updated per comments + added p4 clients
* p4 completions: integ, opened, reopen. "default" CL support.
* Perforce RCS -> SCM
* p4 reopen: list opened files
* Fixed per review, added -d for all functions
Fixed per comments in review by @faho,
Added -d for all functions,
Renamed ”subcommand" term to “command” (so there’s probably diff noise)
* p4 completions with submit list of files
* p4 completions for submit: lists open files
