Changes in viptos-1.0beta:

- automatic commandPort and eventPort socket numbering.
- automatic node numbering.
- nesc 1.2.2 compatible: Using copy of nesc/tools/nesc.jar, 
    and removed create-nescdumpjar.sh
- Replaced all pthread constructs with JNI constructs for cygwin compatibility.
- New icon look-and-feel: using rotated ports and NameIcon.
- ncapp2moml now compatible with Ptolemy II relation groups.
