remove all the files in the svs directory when webserver is stopped.
removed the unneeded option passed onto activity query.
improved the speed of rendering activity bars; added suport for visualisation of process communication graph.
a module used to generate some inter-node message passing data.
code refactoring.
fixed some problems with generating process tree graph,
replace the whole activity record with paritial record data; refactored the pid list representation.
removed the use of activity records to partial data.
added support of inter-node message passing; improved the performance of retrieving data from pdb_activity table
record/field name renaming.
bugfix: check to To nodes after From node has been added to MG.
bugfix: removing unnecessary data should not change the order of data.
changed the selection of inter-node communication not to select messaging within same node; changed returns from activity queries back to record represenation; removed some unneeded conditions in the match spec for activity-related queries.
changed back to use the activity record.
some minor improvements.
new macro; type fix.
added support for selective tracing of process function activities.
added a wrapper around the erlang spawn functions in order to support selective tracing of process function activities.
typo fix.
extended the definition of speical_atom.