Log Message:
Update w3m and w3m-img to 0.5.3. Some pkglint cleanup and DESCR
rewording while here.

XXX: I don't see what w3m-img does differently?

Changes:

w3m 0.5.3 - 2011-01-15

* security fix
 - fix vulnerabilities indicated by bugs.debian.org.
 - suppress sending Referer, if https:// -> http://
* new features
 - adapt w3mimg to native windows on MS Windows.
 - support xterm-incompatible terminals without gpm.
 - add "xhtml" to default guess.
 - introduce option pseudo_inlines.
 - add option to avoid "wrong number of dots" error in cookies.
* other bug fixes
 - fix "important" bugs from bugs.debian.org
 - preserve spaces in multibyte context.
 - fix proxy authentication.