boost-1.49: Fix building against Glibc 2.18

Glibc 2.18 no longer defines __GLIBC_HAVE_LONG_LONG.

http://hydra.nixos.org/build/7003618
boost: Remove 1.53 and 1.54

These don't build against Glibc 2.18, but they're not used anyway
(except by source-highlight, which builds fine against 1.49).