use compilerClass instead of parserClass.
Merge pull request #77 from ThierryGoubier/gitfiletree

Gitfiletree ... merged
Merge branch 'pharo2.0' of https://github.com/dalehenrich/filetree into pharo2.0
add MonticelloFileTree-Git to baseline
restore original method ... should have been in Pharo3.0 only
add Pharo3.0 to lineup
Merge remote-tracking branch 'upstream/master' into gitfiletree
Merge remote-tracking branch 'upstream/pharo2.0' into gitfiletree
Problem: limitations of log scanning for package version in MCFileTreeRepository>>gitVersionsForPackage: