Java-servlet readme.md missing

[janamanoharan]

The java-servlet example is missing a readme file to describe the details of how to run the app.

[mores]

cd java/java-jaxrs
mvn clean verify
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.231 sec
cd java/java-servlet
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.95 sec <<< FAILURE!

[mores]

Updating the parent pom.xml will fix the above issue:
- <swagger-version>1.5.10</swagger-version>
+ <swagger-version>1.5.16</swagger-version>