Preparations for release of GF 3.3

+ Changing version numbers and dates here and there.
+ Simplify build-binary-dist.sh since pgf-http need not be built anymore.
+ Use--gf-lib-path to make the sample grammars for minibar compile even if GF
  is not installed.

index.html

@@ -11,9 +11,9 @@
 <IMG SRC="doc/Logos/gf0.png" alt="">
 <H1>Grammatical Framework</H1>
 <P>
-Version 3.2
+Version 3.3
 <br>
-December 2010
+October 2011
 
 <P>
 <font size=+2>