Revert "move to JDK12 and test future 13"

This reverts commit 8f54649.

client-hc: add test for optimize=true

define copyrights array

remove default method in XFirstSearch to force thinking about the bit…

…set implementation, fixes graphhopper#1648 (graphhopper#1649)

don't do interpolation twice, fixes graphhopper#1645

make road_class parser more resilient

renamed implementations of IntEncodedValue and DecimalEncodedValue (g…

…raphhopper#1627)

Render vector tiles from graph storage (graphhopper#1572)

* use 4 or 16 cells only for LocationIndexTree

* make it possible to visualize boundaries of Quadtree and add few notes what's different to usual implementation

* implement query(BBox), graphhopper#1324

* test and show how to properly user query(BBox)

* make it clear what we can expect from the Visitor functionality; added EdgeVisitor

* use query(Shape) instead of query(BBox)

* example log: avoid immediateFlush config as it is confusing

* make current maximum precision clear in javadoc

* show tiles via graph exploration

* made vector tiles much faster via loc_index branch

* show less details for small zoom numbers and full geometry details for big zoom

* make it possible to use speed in JavaScript and use Leaflet > 1.0; see https://gist.github.com/karussell/0720b3d3b297621c8bb10cf8c86b2906

* store name and filter based on speed not edge length

* use separate MVTResource

* try to fix openjdk12 download URL

* Adds alternative z/x/y endpoint.

Signed-off-by: easbar <[email protected]>

* fix response application type

* remove unnecessary isochrone stuff

* integrate local mvt into GH maps demo

* switch localhost to 127.0.0.1

* do remove roads from omniscale layer

* updated main.js

* fixed merge conflict for LocationIndexTree

* include mvt test that reads tile from /mvt endpoint

* revert changes in travis config

* include various EncodedValues in response

* advertise /mvt endpoint

Makes QueryGraph's edge-explorer cache work for all EdgeFilters, fixes …

…graphhopper#1623. (graphhopper#1624)

* Adjusts query graph's edge explorer caching behavior.
* Adds filter id to DefaultEdgeFilter
* Removes acceptsFwd/Bwd from DefaultEdgeFilter.
* Replaces PrepEdgeFilter in PrepareRoutingSubnetworks with DefaultEdgeFilter

Implements correct time calculation for edge-based CH. (graphhopper#1611

)

Shortcut unpacking is adjusted such that the previous edge is considered and turn cost times are added.