Revert "Remove Routes 5 and 6"

This reverts commit e0ec6bbc83451d2223c8bebf4a382da0192d6820.
Remove trips with assigned route numbers 5 and 6.
Merge pull request #4 from seabre/fix-trips

Fix trips.txt: When removing trips with assigned routes 5 and 6, file was converted to TSV instead of CSV.
Write script to setup validation process. Add .travis.yml
Make sure pytz dependency for googletransitdatafeed is installed on TravisCI.
Merge pull request #6 from seabre/continuous-integration

Add continuous integration (Fixes Issue #5)
Add travisci badge
remove shapes for routes 5 and 6
remove unreferenced stop times
remove unreferenced stops