E&S CVS Commit: Trellis - Move task-related stuff to activity module. Fleshed out docs

[pje at eby-sarna.com]

Author: pje
Date: Fri Jan  4 20:58:23 2008
New Revision: 2469

URL: http://svn.eby-sarna.com?rev=2469&view=rev
Log:
Move task-related stuff to activity module.  Fleshed out docs
for activity module.  Tested undo support for Time service.

Modified:
    Trellis/Activity.txt
    Trellis/Internals.txt
    Trellis/peak/events/activity.py
    Trellis/peak/events/trellis.py
    Trellis/test_trellis.py