Documentation: how to install under OSGeo4W
added documentation for new option in 'refresh/remove_before'. get modification time from file
fixed bug, second parameter wasn't passed over to load_ogr_datasource
added from_file option to seed-config spec
read the modification time of a given file and use this for refresh/remove_before while seeding/cleaning up
read the modification time of path
added test for refresh/remove_before with file, fixed paths in corresponding seed.yaml.
load the seed file with local_base_config
Merge pull request #45 from drnextgis/master

Fix services section name in tutorial
Merge pull request #46 from drnextgis/master

Fix docs typo
fixed service:/services: typo
renamed .from_file to .mtime
fixed loading of timestamp from missing file
Merge branch 'master' into remove_refresh_before_from_file
fixed mtime test for runs in different timezones
add release command to update deb metadata
catch OS/IOErrors while writing seed progress
don't store seed progress without --continue or --progress-file option
let travis only test mapproxy package
use pypi mirrors for all travis dependencies
add concurrency option to mapproxy-util export