office: one word for everything — forward board/reset/delete/merge/review/triage, and a help page that lists all of it

bin/review

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 """Review one task's diff and print the verdict. Merge nothing.
 
-    bin/review AUD-164            # review and print
-    bin/review AUD-164 --post     # also write the verdict on the task
+    office review AUD-164            # review and print
+    office review AUD-164 --post     # also write the verdict on the task
 
 This is the same review `bin/merge` runs, on its own, so a person can look
 before the merge is attempted. Exit 0 means nothing blocking was found; exit 5
@@ -20,7 +20,7 @@ def main():
     args = [a for a in sys.argv[1:] if not a.startswith("--")]
     post = "--post" in sys.argv
     if len(args) != 1:
-        h.say("usage: bin/review <task> [--post]")
+        h.say("usage: office review <task> [--post]")
         return 2
 
     issue = h.find_issue(args[0])