VM builds: Panic on OOM
VM builds: Increase the default memory size to 512 MB
VM builds: Use 9p/virtfs instead of CIFS

9p (with caching enabled) is much faster than CIFS and doesn't require
Samba or virtual networking.  For instance, building GNU Hello with
CIFS takes ~323s on my laptop, but with 9p it takes 54s.

More measurements will be needed to see if "cache=fscache" is really
faster than "cache=loose" (the former seems to be a little bit
faster).
Remove runInGenericVM

It's not used anywhere and probably doesn't work anymore.
heroku gem: add expression
Merge pull request #709 from qknight/kdenetwork-kopete-fixes

fixes two issues via patches to get knetwork compiling; both patches are minimal and mine is now also upstream
kde4: unify used libcanberra

I wondered why I'm getting two versions in the closure of KDE apps.
kile: minor update
kdiff3: maintenance update
Add loopback network device and localhost entry to /etc/hosts for VM tests.
Update acpi-call for Linux 3.10 compatibility
Update fdm
testdisk: Add to channel
Add CentOS 6.4 to vm images
install_name_tool: add expression
pyspotify: fix build on darwin

* use install_name_tool to have _spotify.so point to the correct library
pyspotify: update to latest version
pciutils: update

This breaks udev145 due to enabling compression again,
but I rather think we should remove udev145 (not used anywhere).
usbutils: update 006 -> 007
portaudio: fix build on darwin

* remove alsaLib from build inputs
* add --build=x86_64 to configure flags
* add --without-oss to configure flags
* add --enable-static to configure flags
* add --enable-shared to configure flags
* add framework header files
* disable failed tests
* copy all headers on install
* build with gccApple