- Update to r142641
* llvm/clang 3.0 rc1

- Enable ARM code generation

- Fix libdir on x86_64

- Update to r142341
* First build from 3.0 branch
* -Wc++98-compat warnings for the lexer
* Add flags for the remaining shift related warnings
(-Wshift-count-negative, -Wshift-count-overflow).
* Only warn in -Wliteral-conversion if the conversion
loses information
* Added clang_getCompletionAnnotation and
clang_getCompletionNumAnnotations to retrieve annotations
from completion string.
* Add support for -std=gnu90 and -std=c++03, for compatibility
with modern gcc.
- Switch to tar.bz2 and remove xz dependency