Prevent images from getting double borders due to slugs,
and prevent extraneous margins from piling up in captions.
Also add the ve-ce-mwBlockImageNode class which shockingly
wasn't being set (only ve-ce-mwBlockImageNode-TYPE was set).
Change-Id: I86b95aa0c0def92a9790b7cdb4b05837fb8f65e2
Also remove CSS hack from MWTransclusionNode now that
we have properly styled Parsoid references.
Bug: 63983
Change-Id: I5e8dc4c618809f6dd923fe4676d57acd1094f93d
Reorganize stylesheets in VE-MW to match JS directory structures,
and update VisualEditor.php for similar reorganization in VE core.
New changes:
c6ed962 Reorganize stylesheets
Change-Id: I4f1070643744fb2ee6726cb03e012e31a9a05c64