Merge pull request #3 from doubleSlashde/dependabot/maven/com.vaadin-vaadin-server-7.7.24

Bump vaadin-server from 7.6.8 to 7.7.24

Author: w-lutz

pom.xml

@@ -22,7 +22,7 @@
       <dependency>
         <groupId>com.vaadin</groupId>
         <artifactId>vaadin-server</artifactId>
-        <version>7.6.8</version>
+        <version>7.7.24</version>
       </dependency>
       <dependency>
         <groupId>com.vaadin</groupId>