add rewrite rules for css-shapes-1, css-style-attr-1, cssom-1, cssom-view-1, selectors-4, mediaqueries-4
change css-exclusions-3 to css-exclusions-1
rename selectors3 to selectors-3 and mediaqueries3 to mediaqueries-3

--HG--
rename : mediaqueries3/Overview.html => mediaqueries-3/Overview.html
rename : mediaqueries3/Overview.src.html => mediaqueries-3/Overview.src.html
rename : mediaqueries3/differences.txt => mediaqueries-3/differences.txt
rename : mediaqueries3/disposition.html => mediaqueries-3/disposition.html
rename : mediaqueries3/disposition2.html => mediaqueries-3/disposition2.html
rename : mediaqueries3/issues-2012-04.txt => mediaqueries-3/issues-2012-04.txt
rename : selectors3/Makefile => selectors-3/Makefile
rename : selectors3/Overview.fr.html => selectors-3/Overview.fr.html
rename : selectors3/Overview.html => selectors-3/Overview.html
rename : selectors3/Overview.src.html => selectors-3/Overview.src.html
rename : selectors3/first-letter.gif => selectors-3/first-letter.gif
rename : selectors3/first-letter2.gif => selectors-3/first-letter2.gif
rename : selectors3/initial-cap.png => selectors-3/initial-cap.png
rename : selectors3/issues-lc-2009.html => selectors-3/issues-lc-2009.html
rename : selectors3/issues-lc-2009.txt => selectors-3/issues-lc-2009.txt