all: make use of the new cmake features

Using VleUtilsConfig.cmake, dynamics are built and linked
to pkgs that are declared directly into the cpp file.
vle.examples: fix generator dynamic building

On win32, the targets order must be respected for the ompiling process
(GeneratorWrapper must be the last target). Otherwise some symbols are not
found.
all: fix the VleUtilsConfig.cmake filesi

- CMAKE_HOME_WIN32 is not a cmake usefull variable (use WIN32 instead)
- search for *.a libraries for packages dependencies
- fix vle libs path for package dependencies