hgignore build directory

help: no need for kwexpand after import, but after config change Update test output.

kwdemo fixes and tweaks Write map arguments in repo hgrc, to simulate parsing and parsing errors. Add branch display; change demo verbosity for branch command. Display current [keyword] files additionally to demo.txt, as they might influence the result. Formatting: status indented by tab.

Adapt to recent changes in Hg (locks handling, dirstate.update gone)