Bump to VLE 1.1.0
control: remove the unnecessary gvle-doc package
vle.install: remove vle-1.1.pc and documentation
install: add doxygen documentaation
install: add pkgconfig script in libvle devel
install: add pkg-config script in libgvle devel
install: remove symlink from non-dev package
install: remove some packages
install: rename vle package