Merge pull request #25 from pebble/master

Updated to release2188
closes #26, allow external definition of BUILD_ID
Updated Makefile to use the latest version of CodeSourcery.
Merge pull request #29 from andrimarjonsson/master

Version update
add multilib, update docs a bit
edits
testing 2013.05
Correction for mpc version.
Build GCC statically (remove dependency to libmpc, etc)

 - Build libmpc, libmpfr and libgmp in build/libs
   The trick here is that we build them with --disable-shared
 - Compile gcc and use those libs. Because the shared are not available
   it will automatically compile statically

That's it! Was pretty easy ;)
Removed one extra line of --with-gmp-and-friend
Add incremental build support
Add incremental tar extraction
Add incremental configuration
Remove cross-newlib as a install-tools dep

cross-newlib is a cross-gcc dep so it will still be run. Pulling
cross-newlib up to a install-tools dep causes gross-gcc to recompile.
Add --enable-static configure flag for mpfr and mpc
Set install-deps as phony
Ignore libs directory
Add -Wno-error=return-type CFLAG for building gdb with clang
Merge remote-tracking branch 'jsnyder/master' into import-upstream-toolchain-changes

Conflicts:
	Makefile
Disable makeinfo command for broken info files