Add alternative INSTALL.md, more specific to this project.
Fix getting the submodule.
Add Makefile.
Merge branch 'master' of https://github.com/clpr/ProjectTox-GTK-GUI into tests
Merge https://github.com/matiaslina/ProjectTox-GTK-GUI
Update Makefile.
Updated the install instructions
Merge branch 'master' of https://github.com/clpr/ProjectTox-GTK-GUI into tests