Tests for qapplied/qunapplied fixes (417c2068cb92 and ce6c364ebb2a)

Simplified qseries and hg qapplied to fix some bugs caused by optimization: - hg qapplied -v now works consistendly to hg qunapplied -v, i.e. showing guarded (or unapplied because they were guarded during hg qpush) patches. - hg qapplied <patchname> now works again

Fix issue443: inconsistent output of "hg qunapplied -v" 1. Don't skip over unpushable (guarded) unapplied patches. 2. Don't display unpushable patches, unless -v is given, otherwise guarded and unguarded patches can't be distinguished.

Merge some matcher fixes/cleanups and add some more hg locate tests

util._matcher: remove superfluous variable

add some more tests to hg locate

make the output of test-locate more readable

util._matcher: use "." as the root of empty {rel,}path patterns Should fix issue332. Really.

Merge with crew-stable

avoid a traceback with hg branch newbranch; hg up