Update dropwizard

Author: Olivier Chédru

pom.xml

@@ -33,7 +33,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <dropwizard.version>2.1.4</dropwizard.version>
+        <dropwizard.version>2.1.5</dropwizard.version>
         <jjwt.version>0.11.5</jjwt.version>
         <enforcer.fail>false</enforcer.fail>
     </properties>
@@ -47,7 +47,7 @@
         <repository>
             <id>sonatype-nexus-snapshots</id>
             <name>Sonatype Nexus Snapshots</name>
-            <url>http://oss.sonatype.org/content/repositories/snapshots</url>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
             <releases>
                 <enabled>false</enabled>
             </releases>