change the default of 'include_unshown_procs' as unchecked.
function generalisation.
record profiling options before starting profiling.
added new record field to information.
various minor improventent made to the visualisation of profiling data.
fixed type error.
added garbage collection info to process info page.
fixed the checking of profiling options.
no garbage collection info for dummy processes; fixed process selection problem with sub_process_tree_pages.
added links to papers
replaced with percept2_dist and percept2_orbit
Removed AST-related modules.
removed
removed.
removed
removes AST-related stuff.
updated
updated definition of filespec().
changed the way the node names are fecthed.
added support for inter-node communication graph generation; fixed node formatting problem.