- don't map twice an ELF file for symbol lookup (in non deferred mode)
- no longer entirely map an ELF file into memory, but only the
  sections we need.
Added support for loading ELF modules thru SymLoadModule in a non life
process.
Factorisation of code for ELF module handling.
Fixes to ELF symbol loading
- drops symbols from symtab which are neither funcs nor global
  variables
- fixes some incorrect size computation for latest GCC versions.
Several cleanups and fixes.

special casing for DGA and tablet events.
Unify the declarations of all the event handlers.

structures to clipboard.c.

Add a buffer length alignment error message.

Honor precision argument for strings.

- make more test cases pass
- read and write the location block
- improve the binary compatibility of lnk files

funcs & remove unused parameters.

Fixed outline rendering with GGO_GRAY?_BITMAP option.
Improved fixed-pitch fonts detection.

also when doing a synchronous update with RDW_UPDATENOW.