[FIX] missing includes
[FIX] warning of name lookup
[FIX] mesh signal to create custom space
[COSM] make Domain signal to load mesh more robust
Merge branch 'master' of github.com:wdeconinck/coolfluid3

* 'master' of github.com:wdeconinck/coolfluid3:
  [FIX] Python library and include_dir inferred from python executable