Modular hawkBit (#378)

* Cleaned up component scan
* More flexibility for hawkBit micro services
* Introduce spring boot starters
* Eclipse Jetty as hawkBit default
* Fixed links as prep for wiki removal

Signed-off-by: kaizimmerm <kai.zimmermann@bosch-si.com>

hawkbit-repository/hawkbit-repository-api/pom.xml

@@ -40,6 +40,12 @@
       <dependency>
          <groupId>org.springframework.cloud</groupId>
          <artifactId>spring-cloud-bus</artifactId>
+         <exclusions>
+            <exclusion>
+               <groupId>org.springframework.boot</groupId>
+               <artifactId>spring-boot-starter-tomcat</artifactId>
+            </exclusion>
+         </exclusions>
       </dependency>
 
       <!-- Optional -->