Uses the IOS_SDK 7.0
Make Xcode command-line compatible with older versions of Xcode (5.0.2)
Fix android build:
- define NDK root path
- provide android toolchain
Disables LLVM PR8927 check

otherwise it won't compile for iOS
Generate configure out of modified configure.in using autoconf213.

Note: I had to install autoconf213 using the following command:
sudo port install autoconf213
And then just run 'autoconf213' from the location of configure* files.
PATCH: Compile options for Android
Cherry pick:
fix of android build with ndk-r8e. And enable JIT support for android.
Cherry pick:

Build spidermonkey for Android/x86

* ... and improve the build script
Cherry pick:
Disables YARR JIT by command line
Fix NDK_ROOT from cherry pick
A new and consistent way to build multiple architectures for iOS and android.
Sometimes the generated include headers are different, so we keep them all in the release folder.
- Strip iOS libs
- don't generate fat version
- put only architecture-specific dists
- better arch parametrization
Revert commit: Cherry Pick: Disables YARR JIT by command line
Adding a README, also saying that we're crashing on iOS with this build :-(
FIX IOS!!!
YARR JIT had to be disabled for iOS, and I mistakingly removed it from the configuration (in the change that moved it to the command-line)
Now we have a v20 build, finally...
No more bad news
Merge branch 'v20_fix' into v21_fix

Conflicts:
	README.md
	js/src/build-android/build.sh
	js/src/build-ios/build.sh
	js/src/configure