completion: update submodule
sudo: update submodule
terminal: Use the correct function names for setting titles

This fixes #2.
Merge pull request #3 from antifuchs/fix-terminal-title-function-renames

terminal: Use the correct function names for setting titles
utility: Pass -a in long form to rlwrap

Otherwise, it would assume that -H is an argument to -a, which
prevented running things correctly under rlwrap 0.37.
Merge pull request #4 from antifuchs/fewer-complaints-from-rlwrap

utility: Pass -a in long form to rlwrap
completion: update submodule
history-substring-search: update submodule
completion: update submodule
completion: update submodule
syntax-highlight: update submodule
Merge remote-tracking branch 'upstream/master'