bump javalin and kotlin

Author: tipsy

pom.xml

@@ -9,19 +9,14 @@
     <version>1.0</version>
 
     <properties>
-        <kotlin.version>1.2.0</kotlin.version>
+        <kotlin.version>1.2.21</kotlin.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>io.javalin</groupId>
             <artifactId>javalin</artifactId>
-            <version>1.2.1</version>
-        </dependency>
-        <dependency>
-            <groupId>org.eclipse.jetty.websocket</groupId>
-            <artifactId>websocket-server</artifactId>
-            <version>9.4.8.v20171121</version>
+            <version>1.3.0</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.module</groupId>