Fixed bug in app where 'useDispersionCorrection' for AMOEBA was being cast to int instead of bool.
Added AMOEBA test system and tests for ForceField fin setting up AMOEBA system.
Fixes to tests.
Merge remote-tracking branch 'upstream/master'
Committed updated Makefile and doxyfile.  (These don't need to be in here.)
Fixed examples/Makefile.
Reverted Doxyfile to upstream master.
Removed 'void' declarations from getCutoff/getCutoffDistance methods so that swigInputBuilder.py would correctly wrap return values.
Changed cutoff test for AmoebaVdwForce/AmoebaMultipoleForce.
Added dispersion correction flag handling to NonbondedGenerator.
Merge pull request #491 from jchodera/fix-amoeba

Fix error in setting up AMOEBA systems when useDispersionCorrection is specified (retry)
Fixed a rare memory corruption error when roundoff causes tile indices to be wrong
Fixed some test failures
Merge pull request #495 from peastman/unsigned

Fixed a rare memory corruption error when roundoff causes tile indices to be wrong
Merge pull request #496 from peastman/master

Fixed some test failures
Commented out testEinsteinCrystal(), since it failed much too often
Merge pull request #497 from peastman/master

Commented out testEinsteinCrystal(), since it failed much too often
Speed up a slow test case by using a smaller topology file
Merge pull request #498 from peastman/master

Speed up a slow test case by using a smaller topology file
Changed travis script to run Python tests in parallel