Initial Scrumr Project Structure
Fixed pom.xml configuration
some clean up
enhanced dependency with commons-lang3 and hamcrest-library
Add System- and ApplicationException
Add TestUtils for Identifiable id injection
Add additional application exceptions
Fixed TestUtils
moved exception into the right package / source code folder
Removed InvalidUsernameException
Removed UsernameAlreadyExistException
Add ProjectNameAlreadyExistException
Add UsernameNotFoundException
Merge branch 'master' into jat-frankfurt-1

* master:
  Add UsernameNotFoundException
  Add ProjectNameAlreadyExistException
  Removed UsernameAlreadyExistException
  Removed InvalidUsernameException
  moved exception into the right package / source code folder
  Fixed TestUtils
  Add additional application exceptions
  Add TestUtils for Identifiable id injection
  Add System- and ApplicationException
  enhanced dependency with commons-lang3 and hamcrest-library
  some clean up
  Fixed pom.xml configuration
  Initial Scrumr Project Structure