Resource for contribution added.
Resource for contribution added.

- Checkstyle configuration added
- Checkstyle compiant eclipse formatter added
- IntelliJ formatter added (TODO: test it!)
- Gitignore changed to support IntelliJ and Eclipse
- IntelliJ configs added.
- Formatters and Checkstyle edited for Eclipse and IntelliJ
- CONTRIBUTION.md added.
remondis-it/remap