BUG: working on a fix for #487.
DOC: clarifying remap_ids
ENH new .travis.yml
ENH travis.txt
comparing higher_order_sp as a replacement for implementation of higher_order
ENH new kw args for higher_order_sp.
Merge branch 'master' of github.com:pysal/pysal into 487

Conflicts:
	.travis.yml
BUG cleaning up temporary files for #398
Merge pull request #493 from pedrovma/spreg18

Phil: Skipping several tests that fail due to precision under older scipy
Merge pull request #492 from sjsrey/b398

BUG cleaning up temporary files for #398
turning on testing against scipy 0.9
Merge branch 'master' of https://github.com/pysal/pysal
Update .travis.yml
Merge pull request #490 from sjsrey/487

Fix for #487
Merge pull request #494 from pastephens/master

Enables testing against two versions of SciPy shipped with the last two Ubuntu LTS versions.
ENH Deprecation warning for regime_regime weights #486
ENH fixing doctest for regime_weights deprecation warning
Merge pull request #497 from sjsrey/486

ENH Deprecation warning for regime_weights #486
renamed nat_queen.gal for #452
Merge pull request #499 from sjsrey/452

renamed nat_queen.gal for #452