Get rid of redudant data structures for storing performance metric data.
Fixes for performance metrics subsystem (first real run).
Rudimentary performance metrics display implementation.
Implement (proper) tracer output dispatch,
Rename rankproc -> perfmon.
Rename some TracerLib methods (to make config scripts more readable).
Documentation update (and some API changes to make it a bit more concise).
New config API for easy access to zorka.properties (from BSH scripts) + other fixes.
Add last missing documentation bits. Prepare 0.9 release.
Prepare 0.9 release.
Merge pull request #77 from jitlogic/rel09e

Prepare 0.9 release.