Merge pull request #18 from kc284/xs64bit

Port changes from fox.
Merge pull request #20 from kc284/xs64bit

Bug fixes and improvements
XOP-541: Include AssemblyCompany attribute to dll files.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
Merge branch 'xs64bit' of github.com:xapi-project/xen-api-sdk into xs64bit