Add paver script that will replace our current build.sh from scripts folder. Until I update the wiki to describe how this new paver build script works I'm leaving the old one in the repository. Reviewed by: Pawel Solyga

#!/bin/sh
NOSE_WITH_DOCTEST=t
export NOSE_WITH_DOCTEST
NOSE_DOCTEST_EXTENSION=txt
export NOSE_DOCTEST_EXTENSION
#NOSE_DETAILED_ERRORS=t
#export NOSE_DETAILED_ERRORS
nosetests $*