BKChem release 0.14.0-pre4

BKChem release 0.14.0-pre3

This release contains several significant changes:
- new maintainer
- sources are now managed using Git and hosted at gitorious.org
- increase required Python version to 2.5
- improved Unicode support
- open BKChem on Windows in "My Documents" by default
- support for plural forms in translations
- bugfixes

As usually, more info is in progress.log, downloads on the download page.

All translators are encouraged to update their translations. Please, send them
in before the end of August, that will ensure that your updates will be
included in the final 0.14.0 release.