fix httpd load issues

contrib/httpd/cont-responder.factor

@@ -21,7 +21,7 @@
 ! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 ! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 IN: cont-responder
-USING: http httpd math random namespaces io
+USING: http httpd math namespaces io
        lists strings kernel html hashtables
        parser generic sequences ;
 

contrib/httpd/default-responders.factor

@@ -2,8 +2,7 @@
 ! See http://factor.sf.net/license.txt for BSD license.
 IN: httpd
 USING: browser-responder cont-responder file-responder kernel
-namespaces prettyprint quit-responder resource-responder
-test-responder ;
+namespaces prettyprint ;
 
 #! Remove all existing responders, and create a blank
 #! responder table.

contrib/httpd/html.factor

@@ -2,7 +2,7 @@
 ! See http://factor.sf.net/license.txt for BSD license.
 IN: html
 USING: generic hashtables http io kernel lists math namespaces
-presentation sequences strings styles words ;
+sequences strings styles words ;
 
 : html-entities ( -- alist )
     H{

contrib/httpd/mime.factor

@@ -1,7 +1,7 @@
 ! Copyright (C) 2004, 2005 Slava Pestov.
-! See http://factor.sf.net/license.txt for BSD license.
+! See http://factorcode.org/license.txt for BSD license.
 IN: httpd
-USING: io hashtables kernel lists namespaces ;
+USING: io hashtables kernel sequences math namespaces ;
 
 : file-extension ( filename -- extension )
     "." split dup length 1 <= [ drop f ] [ peek ] if ;