CloudVeil.exe and FilterServiceProvider.exe consume vast amount of memory

[kfreezen]

A customer complained about high memory usage on March 16.
~4GB for FilterServiceProvider and ~3GB for CloudVeil
One possible explanation: cloudveil.org was down that day. Do some investigation.

[kfreezen]

Another memory leak discovered. Using testmy.net with ~200MB size causes filter to balloon in memory usage.