Merge pull request #18 from lbl-srg/annex60

Annex60
Corrected errors in installer.

This closes #19.
Added test to avoid IndexError if new result contains fewer support points than reference results.
Corrected formatting.
Added pep8 target to Makefile and cleaned up code.
Merge branch 'master' into annex60

Conflicts:
	buildingspy/development/regressiontest.py