Plone 4.3 test buildout.
Fix zope.app.component.hooks import for Plone 4.3 compatibility.
Use ftw.book from source in tests for Plone 4.3.
Add changelog entry.
Use simplelayout.base from source while testing.
Merge pull request #1 from 4teamwork/jone-plone-4.3

Plone 4.3 test buildouts