Merge branch 'ruby-1.9.3-upgrade'
remove branch specification in travis.yml
add aws-sdk
update spacing in session_info model
update geolocate! to complete similar delayed_jobs

when running geolocate! search delayed_job queue for similar jobs.
if there are any, do the work required for them and delete those jobs.
This should allow us to catch up much more quickly when we're behind and have lots of duplicate jobs
switch to geoip gem instead of geoip-c