Updated forest
Updated (once again) forest tile
Added very ugly mountain tile
Added  mountain in dummy map
Added Menu interface for drawing menus
Makefile : separation engine/interface
Added documentation making
Updated to ignore doc
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 branch 'master' into interface_dev

Conflicts:
	resources/textures/tiles/forest.png
Merge pull request #28 from GL-MPRI-2014/interface_dev

Interface dev
Fixed typo and comments.
Commented Position.mli
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