release as 1.8.0-RC1

Author: joker234

pom.xml

@@ -14,7 +14,7 @@
   <url>https://api.ohsome.org</url>
   <description>A public Web-RESTful-API for "ohsome" OpenStreetMap history data.</description>
   <packaging>jar</packaging>
-  <version>1.8.0-SNAPSHOT</version>
+  <version>1.8.0-RC1</version>
 
   <scm>
     <connection>scm:git:[email protected]:GIScience/ohsome-api.git</connection>