Merge pull request #3 from makinacorpus/master

Compatibility with plone 4.3
starting fixing test and other Plone 4.3 compatibility fixes. Dropped Plone 2.5 support
tests and template fixes
fixed xhtml for getting nice Plone 4 styles
translations moved to locales
aligned locales with old i18n folder
controlpanel entry is now translated
control panel icon moved out from deprecated actionicons tool
added a MANIFEST.in file
removed unised config.py file
some whitespaces
no more Plone 3.3 support
added an uninstall profile
other plone 3 related code removed
some readme changes, removed plone 3 infos