patched the ELF binaries with the custom lib dir, to make LD_LIBRARY_PATH obsolete
Merge branch 'set_rpath' of https://github.com/davidedelvento/local-install-scripts into davidedelvento-set_rpath

Conflicts:
	build-systems/autotools.bash
	lib/common.bash
Only patch rpath if patchelf is available.
Disable libevent tests.