Makefile : separation engine/interface
Added dummy "make test" for travis reasons.
Travis testing files.

The first one only simulate being a c test, while it starts the true
bash file that install everything and run make and make test. This is
the first version, evetually we might want to add test support for
various version of opam and ocaml.
Merge pull request #28 from GL-MPRI-2014/interface_dev

Interface dev
Fixed typo and comments.
Strating documentation
Fixed main to compile without FieldGenerator
Updated Makefile
Commented Position.mli
Merge branch 'master' of https://github.com/GL-MPRI-2014/GL_MPRI_2014
Fixed typos
Updated Makefile and a bit of documentation
Merge branch 'master' of https://github.com/GL-MPRI-2014/GL_MPRI_2014
Added -stars to ocamldoc
rmdir is more safe
Merge branch 'master' of https://github.com/GL-MPRI-2014/GL_MPRI_2014
Changed name for Doc (sorry for all the commits)
Merge branch 'master' into interface_dev

Conflicts:
	src/common/Position.mli
Merge pull request #30 from GL-MPRI-2014/interface_dev

Commented Position.mli
Updated documentation on most files.