Switched to Theme extension point for CSS

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Re-added plugin_customization.ini

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Replaced Help action with help command

https://github.com/jcryptool/core/issues/86

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Externalized Strings

https://github.com/jcryptool/core/issues/86

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Javadoc

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Changed editors drop down to Command, not complete yet

https://github.com/jcryptool/core/issues/88

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>