Make it easier to sed setup.py to build lib w/starforge...

Makefile

@@ -120,7 +120,7 @@ _release-test-artifacts:
 
 release-test-artifacts: dist _release-test-artifacts
 
-_release-aritfacts: release-test-artifacts
+_release-aritfacts:
 	@while [ -z "$$CONTINUE" ]; do \
 	  read -r -p "Have you executed release-test and reviewed results? [y/N]: " CONTINUE; \
 	done ; \

setup.py

@@ -17,7 +17,8 @@ except ImportError:
 
 # Set environment variable to 1 to build as library for Galaxy instead
 # of as stand-alone app.
-PULSAR_GALAXY_LIB = os.environ.get("PULSAR_GALAXY_LIB", "0") == "1"
+DEFAULT_PULSAR_GALAXY_LIB = 0
+PULSAR_GALAXY_LIB = os.environ.get("PULSAR_GALAXY_LIB", "%d" % DEFAULT_PULSAR_GALAXY_LIB) == "1"
 
 readme = open('README.rst').read()
 history = open('HISTORY.rst').read().replace('.. :changelog:', '')