Make boost 156 the default
boost: Change header output name
boost: Fix library dependencies
Revert "boost: Quick eval fix"

This reverts commit eb3794186c7357c9cf1abc5d9162d16f29526996.
boost: Remove boost.lib
boost: Remove legacy users
jfsrec: Remove derivation
boost: Remove old boost
boost: Refactor into generic.nix
boost: Remove dependencies on boost-dev
ceph: 0.86 -> 0.87
glob2: Refactor to use mkDerivation
rippled: Refactor and update to 0.26.2
libtorrent-rasterbar: Add generic builder and 0.16.x derivation
qbittorrent: Refactor
boost: Fix incompatible applications
botan: Refactor into generic builder
Revert "syslog-ng: Update from 3.5.6 to 3.6.1"

This reverts commit e2ada42623f26d51cf7d1253ac0700297e1a9b83.
syslog-ng-incubator: Refactor
geeqie: Refactor