Merge pull request #1 from davidedelvento/patchelf

Added patchelf
patched the ELF binaries with the custom lib dir, to make LD_LIBRARY_PATH obsolete
Add TODO list.
Change shebangs to #!/usr/bin/env bash.
Switch download dir to `$PREFIX/src'.
Add Make todo.
Fix some inconsistencies.
Re-organize repository.

- Move support files into a lib directory.
- Remove broken scripts.
- Add more documentation.
Fix Boost and CGAL imports.
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.
Add a basic README.