tests for directory existing before deleting NTA and BUILDDIR. adds creation of intermediate directories, if any, for BUILDDIR
changes NUPIC shell environment variable to NUPIC_HOME
adds: logging out put per build phase, comments and readability whitespace. sets sane defaults. updated README with changes
adds paranoia check before final call to rm
Removes qa/shared_data/plugins
Merge pull request #22 from scottpurdy/master

These files are used for internal tests so being moved out of OS repo for now
Moves pymysqlhelpers out of nupic.
Merge pull request #24 from scottpurdy/master

Moves pymysqlhelpers out of nupic
Updating build.sh to return proper exit status on failures of each step. Updated .travis.yml so hopefully I can use this branch for all travis testing and leave master alone.
Fixed error in build.sh where exit status was getting overwritten by the echo command printing out the exit status.
An attempt at turning off the 'warnings as errors' CPP flag -Werror in the make file.
Trying travis build with -fpermissive cpp flag.
Making travis run off master.
Update configuration module to work with extra config files. This is a temporary workaround until we have a better solution.
Merge pull request #26 from scottpurdy/master

Temporary solution allowing configuration to handle external files
Merge pull request #25 from numenta/travis-setup

Get travis building the cpp source code
Added a link to numenta.org in the README for casual browsers.
fix merge
adds directory checks before calls to rm. adds sane default settings for build environment variables.
fixes directory checks