Display ruby and rails versions on admin page
Flex Report: Replace "[group value] Not Specified"

with "Unspecified" to save space when printing report
Flex reports: hide vm & admin/ops allocations

when no vm or admin/columns are selected
Merge branch 'master' of github.com:rideconnection/lowdown
Quarterly reports: fix label bug
Premium Service Report: fix hourly trip billing
Merge branch 'master' into rails_4_1