otool and setfile: cleanup
portaudio: fix license (fix #728)
avahi: fix build on darwin
aescrypt: fix build on darwin

* add libiconvOrEmpty to build inputs
* add '-liconv' to LDFLAGS
apacheHttpd_2_4: fix build on darwin
Merge pull request #723 from lovek323/darwin-tools

otool and setfile: cleanup
eyeD3: add expression
linux-3.9: upgrade to 3.9.9
linux-3.10: forward-port 9p speedup from 3.9
alot: updated to latest revision
i3lock: updating to 2.5