Move queen vs. 3 minors rule to imbalance tables

Tuned with CLOP after 57k games.

Simplification: tested in no-regression mode.

Passed both STC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 17254 W: 3159 L: 3032 D: 11063

And LTC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 32413 W: 4967 L: 4864 D: 22582

bench: 8082049
Correctly apply previous patch

Apply the correct values from previous patch.

bench: 8082049
Shuffle movepicker score

Believed to be a speed optimization as benched
on Windows with bench realtime affinity 0x1 deleting
highest and lowest runs:

Base	Test
1549259	1608202
1538115	1583934
1543168	1556938
1536365	1554179
1533026	1582010

Signature remains unchanged and gives anywhere from 1-2% nps
boost in analysis depending on number of cores used.

No functional change.
Remove penalty for knight when few enemy pawns

Tested in standard mode at STC and no-regression
mode at LTC:

STC
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 19503 W: 3502 L: 3349 D: 12652

LTC
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 67474 W: 9974 L: 9921 D: 47579

bench: 8331217
Remove RookOn7th and merge values into psqt

Tested in no-regression mode:

STC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 55678 W: 9954 L: 9892 D: 35832

LTC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 9238 W: 1448 L: 1311 D: 6479

bench: 7905850
Speed up picking of killers

Changing the order of the conditions gives
about 1% speed up!

No functional change.
Fix issues detected by Coverity Scan

Most of Coverity Scan reports are false
positives, but in rare cases we have
confirmed (very small) issues.

No functional change.
Merge branch 'master' of https://github.com/mcostalba/Stockfish
Speed up by almost 3%

This apparentely silly tweak allows
to speed up the bench by almost 3%.

Not clear why, repeating with perft,
the speed up vanishes.

Suggested by Jonathan Calovski.

No functional change.
Merge branch 'master' of https://github.com/mcostalba/Stockfish