add a README file for dw-nonfree

add a README that explicitly marks code as nonfree and tells people
where to find the awesome free version. Patch by denise.
Merge pull request #2 from rahaeli/add-README

(Bug 4551) add a README file for dw-nonfree
(bug4436) Rename some files to remove unneeded -local prefix
(Bug 4497) Make module headers editable in Customize. Exposes properties in dw-nonfree
Bug 4607: Rename from now-defunct s2layers-local.dat to s2layers.dat. Fixes case where nonfree themes weren't being processed.
Closes bug 4525. Uses HTML5 for tropospherical.
Merge branch 'feature/NoOverlays' of https://github.com/anall/dw-nonfree into anall-feature/NoOverlays

* 'feature/NoOverlays' of https://github.com/anall/dw-nonfree:
  (bug4436) Rename some files to remove unneeded -local prefix
Merge branch 'anall-feature/NoOverlays' into develop.

* anall-feature/NoOverlays:
  (bug4436) Rename some files to remove unneeded -local prefix
=(Bug 4607) Rename */themes-local.s2 to themes.s2
Bug 4619: Implement a stand-alone conversion function for paid time

Note that this function allows arbitrary conversion from paid to premium
and vice-versa, despite there being no current use case to convert from
premium time to regular paid time.  This is to allow for future
arbitrary paid time changes as desired.
Changes for Tropo Red and Purple styling of S2 site comment pages
Change color of .link elements in Tropo entries and comments so that only the actual anchor tags are styled, not surrounding elements and psuedo-elements.
Remove overflow:hidden from Tropo.
Bug 4619: remove unnecessary dependency, and fix regexes
Bug 4619: Move to DWS.pm for dw-free compatibility
Bug 4637 - Keywords lacking padding in some styles
http://bugs.dwscoalition.org/show_bug.cgi?id=4637
Remove now unneeded CSS padding.
Make styling for icons keywords match styling for entry tags.
Bug 4619: Modify package name
Merge pull request #6 from ninetyd/bug4637/iconspage_keywords_nf

Bug 4637 - Keywords lacking padding in some styles
Merge branch 'develop' of https://github.com/dreamwidth/dw-nonfree into Bug4619
Bug 4619: Whitespace cleanup