Remove references to 4.3 from App Store mentions

You can no longer download Xcode 4.3 from the App Store.
install the 10.6 sdk if it isn't present
Enable prelink on otoro, unagi, keon, inari, leo, hamachi by default.
Merge pull request #229 from jhford/install-ten-six-sdk

Install the 10.6 SDK if the machine lacks it
Merge pull request #234 from ting-yuan/enable_prelink

Enable prelink on otoro, unagi, keon, inari, leo, hamachi by default.
Remove hardware-qemu.ini from list of files for emulator package
Revert "Enable prelink on otoro, unagi, keon, inari, leo, hamachi by default."

This reverts commit 06496d980548debc8a9c59bb85279582d5b2ea5f for breaking v1-train builds.
Add peak support
Add Peak to printed list of supported devices
Merge pull request #235 from waalt/master

 Add Peak to printed list of supported devices
Bug 866489: address requiring zlib1g-dev:{amd64,i386} on Ubuntu 13.04. r=jlebar
Merge pull request #236 from vicamo/bugzilla/866489/zlib1g-dev-amd64

Bug 866489: address requiring zlib1g-dev:{amd64,i386} on Ubuntu 13.04.
Bug 831147: Add cmake to Mac bootstrap script.

The addition of apitrace introduces a new dependency on cmake.  Make sure
this is properly installed in the bootstrap script.  The wiki will need to
be updated separately.
Merge pull request #237 from wanderview/add-cmake-dep

Bug 831147: Add cmake to Mac bootstrap script.
Make get_about_memory.py work even if busybox is installed on the phone.
Merge pull request #238 from jlebar/get-about-memory-busybox

Make get_about_memory.py work even if busybox is installed on the phone. r=dhylands
Some minor improvements to run-gdb.sh

Added pid to the name of the gdbinit file, just to make sure that there weren't any collisions.
If set -x is enabled int he file, it will also print out the contents of the gdbinit file.
Merge pull request #243 from dhylands/dhylands-run-gdb

Some minor improvements to run-gdb.sh
Bug 874065 - Make get_about_memory.py use our fifo, so it should work on an unrooted device.
Merge pull request #249 from jlebar/about-memory-use-fifo-874065

Bug 874065 - Make get_about_memory.py use our fifo, so it should work on unrooted devices.  r=dhylands