Added contributions

File that downloads bulk contribution files.
Ignore list
include 2014

added code to get both 2013 and 2014 files; now need to figure out how
to strip the first line of hte second file and and combine them into one
Merge branch 'master' of https://github.com/sandrafish/ColoSOS

Conflicts:
	cososcont.py
	cososexp.py