[CAR-1423] Port UTC hostime / timezone support to lite agent
Merge
[CP-7374] Bugfixes to lite agent UTC hosttime code

Cope with WoW64
Cope with failing to read a DWORD from xenstore
Reorder some misleading logging

Signed-off-by: Ben Chalmers <Ben.Chalmers@citrix.com>
Merge pull request #11 from benchalmers/CP-7374

[CP-7374] Port UTC Hosttime / timezone support to lite agent