Run 12 and 13 Integrated Luminosity Totals

see attached files below for runs 12 and 13 pp500

data from Jamie's luminosity tracker:
- run 12 @ /afs/*.txt
- run 13 @ /afs/*.txt

runlists (each list is a superset of the subsequently listed list):
- all_runs: all runs listed in Jamie's tracker files
- good_runs: all "good" FMS runs which pass basic QA
- pi0_runs: list of good runs which make it through full A_LL analysis

units on all numbers is inverse picobarns