Re-adding cities and city locations to versioning
Removing versioned files from online_update
Fixing documentation and .gitignore
Small fixes in stop conversion and expansion

- Fixed regexps
- Fixed deleting punctuation from surface forms
Script for easy building of generated data files
Adding nearby stops to starting and ending points of travel
Merge branch 'idos' of github.com:UFAL-DSG/alex into idos