Bumped font size to 11px

Much more legible for people like me (with really bad eyesight).
Also load KSFO
Correct runways to match SFO arrangement
ILS 28L Approach fixes
Adjust runway spacing for less cluttered ILS 28R
Add airplanes
Add radio designation
Fix confusing wording in tutorial
Merge pull request #8 from albertyw/gh-pages

Fix confusing wording in tutorial
Merge pull request #6 from jkap/gh-pages

Bumped font size to 11px
fixed runway warning bug
show ring when aircraft get too close to each other
bump version number, fix #5
print log message when aircraft are created; see issue #9
deciphering my convoluted airport format
fix #7
history: add space after command
Merge pull request #14 from vvvrrooomm/pull1

history: add space after command
Fix KSFO icao

icao for KSFO was still set to KDBG, crippling the loading of KSFO.
Adding KMSP (Minneapolis/St. Paul International Airport) based on FAA airport diagram and arrival procedures.