Java - Fixed loading native libraries from paths that contain international characters.

This fixes Hyperic bug https://jira.hyperic.com/browse/HQ-4227
adding disk io per process and bug fixes
(German) support for getting a set of formatted metrics
process args and query (ptql) string - support dbcs for windows
64 bit fixes
using ours
Check for NULL java strings, init err buff with ???
Revert const err msg changes
NumInstances can be < 0