[IMP] [MONKEY] Re-apply changes introduced at version 3664 that was

a forward port of 7.0 commits.
Commit 1 by fme.
[FIX] html widget: fix cleditor width when the field was invisible before becoming editable
Commit 2 by tde.
[IMP] cleditor: stop using custom font-size, font-family.

bzr revid: tde@openerp.com-20140305105751-w1i47ytx73ac5gkr