mdr: fix installation.
mdr: add 1.0.0 bottle.

Closes #30446.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
qt5 5.3.1

Closes #30445.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
qt5: update 5.3.1 bottle.
brew.rb: handle -—help for internal/external cmds.

Only display —-help for internal commands and not for external ones;
they can handle the flag themselves.

Closes #26675.
References #26755.
Closes #30300.
brew: guard --help with nil cmd.
brew.rb: handle single usage flag case.
tomcat 8.0.9 stable
tomcat: update 8.0.9 bottle.

Closes #30456.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libstxxl: build in release mode.

Fixes #30437.
libstxxl: update 1.4.0 bottle.

Closes #30458.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>