UI: increased height of Configuration dailog
Merge branch 'master' of mwxgit:mwx/OpenCmsPlugin

* 'master' of mwxgit:mwx/OpenCmsPlugin:
  Updated Readme
  Update README.md
  Update README.md
  Bugfix (avoid NullPointerException), extended Description in plugin.xml
  Improved module configuration UI (show defaults)
  Main Menu: Reconfigured/added some keyboard shortcuts