Add CI cron and docker hub deploy stub

Support some Extended GTFS Route Types (graphhopper#1761)

Map extended GTFS route_type value to basic route_type, fixes graphhopper#1753

Adjust benchmark parameters

Update README.md

Extract helper method in GHMatrixSyncRequester

Move path extraction logic out of `Path` class (graphhopper#1730)

* Remove PathBidirRef#switchFromTo
* Remove unnecessary statement in edge-based CH algo
* Remove unnecessary check in AlternativeRoute
* Use dedicated path extraction class for bidir algos
* Remove PathBidirRef and subclasses
* Make AStar more similar to Dijkstra
* Move path extraction for unidir algos into new PathExtractor
* Remove extract stuff from Path class

updated README.md

Fix integer overflow in PrepareContractionHierarchies

Merge pull request graphhopper#1238 from devemux86/vtm

Android: VTM 0.9.0 OpenGL vector map library

release 0.8.0