This way we can reset a lesson using the database for each user and not for all users at once.
Also solves the issue that when someone solves the lesson it is solved for all users on the same WebGoat instance
* Remove Raspberry pi Docker file
* Remove old show-source/solution and plan button
* Remove commented out code
* Improve navigation
* Remove underline from navigation and remove margin of left navigation button
* Make arrow a bit smaller so it aligns a bit better with the navigation bar itself
* add pmd and owasp dependency check through -P owasp profile
* suppress full stack trace in log
* revert to spring 2.2.0 as 2.2.4 failed in travis
* added owasp dependency check maven configuration details to vulenerable
lesson page 7
* Remove old code from UI
* Remove old code
* Remove old functions
* Remove unnecessary divs
* Remove logging to console
* Clear lesson messages (checkmark, output text etc) when lesson resets
* Remove method `getId()` from all lessons as it defaults to the class name
* remove clean up endpoint
* remove unused class `RequestParameter`
* remove unused class `PluginLoadingFailure`
* Move `CourseConfiguration` to lesson package
* Add more content around the lesson template lesson and make it visible as a lesson in WebGoat
* Remove explicit invocation `trackProgress()` inside WebGoat framework so assignments only need to return an `AttackResult`
* Put original solution back as well for SQL string injection
* review comments
* Add
Add version to Hibernate mapping so we get optimistic locking this solves
number of parallel calls trying to update/guess and mess with the lesson
counter
* Remove Guava dependency from WebGoat
* Add Checkstyle to the project with very basic standards so we have a
style across lessons. It does not interfere with basic Intellij formatting
* xxe path info aid added
* xxe path info aid added
* changes to template file and hints
* added ssl test support for XXE
* added ssl test support for XXE
* restconfig replaced by httpsrelaxed
* processed review comments on hints and example
