WIP doc for image form type
image upload via sonata admin
Merge branch 'master' into document-phpcr-odm-image-formtype
text improvements, wrap config into config blocks
made it more clear that we are using Sonata Admin there, also added a use statement for the form mapper
updated type name, rephrased fields.html.twig stuff
cleaned up image form type doc
cleaned up image form type doc
Merge remote-tracking branch 'origin/master' into document-phpcr-odm-image-formtype

Conflicts:
	bundles/phpcr-odm.rst
Merge pull request #97 from symfony-cmf/document-phpcr-odm-image-formtype

WIP doc for image form type