add more json decoder tests
fix astencode test
ighlight ref + static as storage specifiers
separate the conditional keywords
use Operator group for 'as'
 move dlist from core -> std
Correct type signature for start lang item
Fix underflow in char_range_at_reverse
Update RELEASES
 mark the assembly object stacks as non-executable
Fix warnings
Register snapshots
0.6 will be in April
added defn of non_slash_or_star
fix another subtle bug in comment regex
libsyntax: error on struct Foo {}.
Remove unused import
emove already addressed XXX
add default per arch clobbers for asm.
Allow selecting intel style asm