Revert "Removed the profile selection from the Plonesite add view."

This reverts commit 535576d0cf9e2cccefb56f3f5011d65f5a0d03b4.
Revert "Update CHANGES.rst"

This reverts commit 93e87222700ac79601aabdd4b53da2c847f5d841.
Make extensionprofiles part of 'advanced'
update changes
Merge pull request #66 from plone/clean-addsite

Make extensionprofiles selection part of 'advanced' in plone-addsite