Merge pull request #522 from kyrill007/master

#501. Fixed build issues on MSYS on Windows.

Merge pull request #328 from openvenues/github_model_releases

GitHub model releases

[build] add another housekeeping file in the datadir for data_version…

…. Blow away the exiting files if that file either doesn't exist or doesn't contain a matching version string to help with upgrades

[build] add another housekeeping file in the datadir for data_version…

…. Blow away the exiting files if that file either doesn't exist or doesn't contain a matching version string to help with upgrades

[fix] free json-encoded string in parser client output

Merge pull request #154 from openvenues/setup_datadir_functions

Setup datadir functions

Merge pull request #137 from openvenues/fix_address_parser_train

Fix address_parser_train

[data] Each curl process will retry the chunk up to 3 times

[fix] Adding set -e to data download script so it fails if any subcom…

…mands fail