clarify source of log message.

Having one print not two increases performance, too.
clarify who is printing this log message
fix broken unit test.
extend the unit test.
bump moses version to 3.6.3

Fixed the determinism bug, and added randomization for identical
scores, so as to distribute features evenly.
Merge pull request #177 from linas/1397a3d113eab29a67ee17070af2e08c0ff4f17c

fix remaining unit test
Merge pull request #178 from linas/moses

bump moses version to 3.6.3
Add ability to select features with exp distrib

Rather than having a sharp cutoff, use a smooth cutoff.
Ideally, we could should att this for the other two selection
methods also, but they're complicated and I'm lazy.
export the exp_distrib option to user-space.
fix typos in the last changeset ...

aiee .. I already pushed
Merge pull request #179 from linas/moses

Moses exponential feature distribution
remove some bogus include files.

Specifically, the scoring and ann_scoring.h have no business
in this file.
move the demo pole-balancing code to examples

The demo cart-pole balancing demo code, a standard AI example,
should never have been dumed into the main directory in the first
place.  Its all now in the example directory.
Add notes about the ANN demos

Someone needs to cleanup this entire directory.
Merge pull request #180 from linas/moses

Moses - move ANN demo code to the demo directory
cleanup the ANN file names

ann_scoring does NOT contain a general ANN scorer, it just holds
a demo problem, that's all.
namespace cleanup in examples
add a missing using namespace std
assorted namespace cleanup
Merge pull request #181 from linas/moses

combo namespace cleanup