New paging system. All scripts must be updated, but it sure is worth it. InstallOptions has two new functions initDialog and show. Docs massively updated.

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@1536 212acab6-be3b-0410-9dea-997c60f758d6

Source/build.h

@@ -2,6 +2,7 @@
 #define _BUILD_H_
 
 #include <Vector>
+#include <List>
 using namespace std;
 
 #include "strlist.h"
@@ -201,6 +202,7 @@ class CEXEBuild {
     StringList build_strlist,ubuild_strlist;
     GrowBuf build_langtables, ubuild_langtables;
     StringList build_userlangstrings, ubuild_userlangstrings;
+    GrowBuf build_pages, ubuild_pages;
 
     MMapBuf build_datablock, ubuild_datablock; // use GrowBuf here instead of MMapBuf if you want
     IGrowBuf *cur_datablock;