Fixes for TraceDetailView.
Switch from GWT widgets to GXT (GWT still used as base library + compiler).
Fix corner cases for RAGZ classes.
Simplify RDSStore class. Fix rotation/cleanup functionalities.
Add column sorting to trace list.
Fix and enhance data reception (attributes, trace ID etc.).
Display method details (attributes, exceptions etc.).
Executable WAR file build.
Build zorka-central full distribution.
Merge pull request #107 from jitlogic/dev1

Rudimentary collector application.