[libvirt] [PATCH v2 0/4] Update the hash table algorithm

[Daniel P. Berrange]

This is a followup to

  https://www.redhat.com/archives/libvir-list/2012-January/msg00734.html

Changes in v2:

 - Replace virRandom with virRandomBits as per Eric's suggested impl
 - Move virRandom* functions to virrandom.{c,h}
 - Move virHash impl to virhash.{c,h}
 - Remove use of le32toh() function
 - Convert several virHash functions to use size_t / uint32 instead
   of int/unsigned long
 - Split into 4 patches for easier review/bisect