simple autogen of the symlinks to plasticwrap on the control node, and
added control-install targets in several more directories.

Usage: if2port <node | node:if | node if>
Example:
<ricci@paper:~>./if2port tbpc01
+--------+-----+--------+-----+-----+
|node_id1|card1|node_id2|card2|port2|
+--------+-----+--------+-----+-----+
|tbpc01  |    0|cisco   |    3|   25|
|tbpc01  |    1|cisco   |    3|   27|
|tbpc01  |    2|cisco   |    3|   29|
|tbpc01  |    3|cisco   |    3|   31|
|tbpc01  |    4|cisco2  |    3|    1|
+--------+-----+--------+-----+-----+
5 rows processed

<ricci@paper:~>./if2port tbpc01:0
+--------+-----+--------+-----+-----+
|node_id1|card1|node_id2|card2|port2|
+--------+-----+--------+-----+-----+
|tbpc01  |    0|cisco   |    3|   25|
+--------+-----+--------+-----+-----+
1 row processed

<ricci@paper:~>

the testbed list.