client-hc: make sure connection is closed also for exception

Use keyID for export

Otherwise there might be multiple keys associated and gpg does not know the default key

fixed failing integration tests for client

bug fix, graphhopper#1316

a new IllegalArgumentException mapper (graphhopper#1407)

* a new IllegalArgumentException mapper, EncodingManager no longer necessary in RouteResource

* avoid toLowerCase, wasn't there before

* findbugs needs one bug exclusion

* corrected error response for wrong point format

* include supported list again

* fixed i18n bug graphhopper#1409

* avoid passing through

* include suggestion from @michaz and catch NumberFormatException

append point hints for client-hc, graphhopper#1405

remove oraclejdk8 and try 11, graphhopper#1397

bug fix, graphhopper#1316

use again 0.10-SNAPSHOT

move to 'mvn set version' release for better tooling, graphhopper#1285

try to fix checkstyle

removed plugin