pass pip --build $BUILDDIR option

to build on <temporal> folder, otherwise, on virtualenv pip builds
in ./build, which might be slow.
Fixed syntax error in configure script
Merge branch 'master' into build-tweaks
Test runner modifications to specify test lists and tags
Swarm tests moved to integration-level tests, not run by default.  This
implements the -i flag to run_tests.sh, -e flag to run test lists, and -m flag
to specify tags.

Options for running long-running swarm tests:

    run_tests.sh -i
    run_tests.sh -e tests/engine.testlist
Updated copyright notice and documentation
Merge branch 'master' into build-tweaks
Merge remote-tracking branch 'upstream/master' into testlist_runner
-e renamed to -t, tests/engine.testlist renamed to tests/swarming.testlist
Merge pull request #212 from scottpurdy/master

Add back function call that modifies params.
Merge remote-tracking branch 'upstream/master' into testlist_runner
Run all tests in travis, using long-format CLI options
Merge pull request #218 from oxtopus/testlist_runner

Test runner enhancements
Added sample swarm
Merge pull request #204 from breznak/build-tweaks

pass pip --build $BUILDDIR option
Merge branch 'master' of git://github.com/numenta/nupic
Merge remote-tracking branch 'upstream/master' into npc-73
Merge pull request #223 from chetan51/master

Fixed syntax error in configure script
Merge remote-tracking branch 'upstream/master' into npc-73
Added example swarm JSON file. Updated run_swarm to generate the description.py and permutations.py for you automatically if you run it with a JSON file.