Add simple simulation example
inline: support rw kernel attributes
compiler: share value_to_ast
compiler: fold constants
compiler: factorize operation of NodeTransformer on statement lists
tools/make_stmt_transformer: pass args/kwargs
compiler: propagate AST node location info
compiler: add unroll_loops transform
compiler/ir: simplify type dictionaries
compiler: interleave transform
llvm_or1k_setup.txt: we are still using llvm 3.3 opcode numbers
add basic setup.py and infrastructure