Changes

Summary

1. Translated the Link-Once pass to the new ast. (details)
2. increase timeout in test.py from 180 to 240 seconds to deal with long locking tests on the ARM (details)
3. First clean-up pass on box pass. Some of it is stuff that could have been done in the initial commit but there was just so much of it. The rest is mostly simple restructuring that makes the translation less direct. (details)

Translated the Link-Once pass to the new ast.

increase timeout in test.py from 180 to 240 seconds to deal with long locking tests on the ARM

First clean-up pass on box pass. Some of it is stuff that could have been done in the initial commit but there was just so much of it. The rest is mostly simple restructuring that makes the translation less direct.