Enabled post-processing features. Todo: Fix bloom

Fixed avatar shadows on AMD (and any other sane GLSL compiler)
Fixed windows compile:
 -curl version was updated after running develop.py. Not sure if applicable to linux/darwin
 -new llqtwebkit version on windows, since the old url is now invalid.

install.xml

@@ -936,9 +936,12 @@ anguage Infrstructure (CLI) international standard</string>
           <key>windows</key>
           <map>
             <key>md5sum</key>
-            <string>fa5041874761895a06a20782b8ba34a2</string>
+			<string>b678c4d18ea8e4fab42b20f8d0b2629a</string>
+            <!--<string>fa5041874761895a06a20782b8ba34a2</string>-->
             <key>url</key>
-            <uri>http://liny-odell.users.sourceforge.net/llqtwebkit-windows-qt4.6-20101122.tar.bz2</uri>
+			<uri>http://viewer-source-downloads.s3.amazonaws.com/install_pkgs/llqtwebkit-windows-qt4.7.1-20101221.tar.bz2</uri>
+            <!--<uri>http://liny-odell.users.sourceforge.net/llqtwebkit-windows-qt4.6-20101122.tar.bz2</uri>-->
+			
           </map>
         </map>
       </map>