Get analyze_make_output_test running now that we're not part of webapp.

We just had to get rid of a few minor webapp deps.  The main dep we
had to add back was alertlib, which is now a submodule.

Auditors: chris

Test Plan:
Ran
   make check
and it said:
   --- analyze_make_output_test.py
   Ran 3 tests in 0.002s