Value of gc_lib in file tool/gec/confic/c/gcc.cfg changed to "-lgc"
(the library may reside in a directory different from $BOEHN_GC/lib).
Revert "Fixed bug in gelint when processing Eiffel for .NET systems."

This reverts commit 0ab8d69b8d9715e7eda07422ff5f0ce36bb6a3a5.
Merge branch 'extra' of https://github.com/wjansen/GOBO-Eiffel-debugger into extra
Modified "vala-lemon-extractor" added to the repository. 

Moreover:
- Makefiles in subdirectories "eval", "home", "src" of "tool/gedb" 
do not longer generate libraries (now object files will be linked)
Merge https://github.com/wjansen/GOBO-Eiffel-debugger into extra
Merge branch 'extra' of https://github.com/wjansen/GOBO-Eiffel-debugger into extra