point cloud generation v1

Clean-up & small syntax change for homology commands.

Added homology computation tutorial as tutorial/t10.geo.

Added parser interface for homology computation (finally).
A tutorial will follow.

- more general way to use static runtime in msvc (trying to replace the oofelie hack)

add support for petsc solvers

better gestion of remote messages ("a la getdp")

finished up first pass at remote view management:

* interactive stuff is now almost feature-complete (including
  multi-step, axes and adaptive refinement)

* plugins can now be executed on remote views

* renamed GmshRemote->ConnectionManager & GmshDaemon->GmshRemote