[apps/remesh] renamed WITH_CGAL + removed matlab mex file
[cmake] added configure files to cmake/
[cmake] shared configuration files in cmake/ folder
[examples] error checking for C++11 example
[apps/qglviewer] viewport behaviour not consistent in linux/mac
[cmake] make uninstall
[cmake] minor: examples always compiled w.r.t. local (not installed OpenGP)