tests/histedit-helpers.sh

wix: move library.zip and all *.pyd into a lib/ folder

This makes the root install folder (on Windows) nice and tidy. The
only files left in the root folder are:

hg.exe
python27.dll
COPYING.rtf
ReadMe.html

the last of which was probably out-of-date 7 years ago

fixbundle() {
    grep -v 'saving bundle' | grep -v 'saved backup' | \
        grep -v added | grep -v adding | \
        grep -v "unable to find 'e' for patching" | \
        grep -v "e: No such file or directory"
}