better styling for media form type help text
extra fields for media (description & copyright)
copyright & description fields added to media
Merge pull request #155 from Kunstmaan/feature/extra-media-fields

Feature/extra media fields
Merge branch 'master' into feature/folder-tree

* master:
  copyright & description fields added to media
  extra fields for media (description & copyright)
  better styling for media form type help text

Conflicts:
	Form/FolderType.php