As a X-Road developer I want that Java coding style is redefined to NFR 3.2.1 so that better consistency and code quality can be obtained

[hanhaka]

Affected components: - Affected documentation: NFR Estimated delivery: Q1/2018 External reference: -

Problem The X-Road Java coding style is defined to a some degree by the checkstyle rules included in the repository. New proposal for how Java code style should be followed, is introduced. For more information see: X-Road Java Code Style.pdf

Update NFR 3.2.1 to obey the new proposal. Fix the X-Road checkstyle settings and take it in use. (Note that there are already issue for Java Impor order changes: #183 )

Acceptance criteria

• NFR 3.2.1 is updated
• Checkstyle is fixed to follow Java Code Style recommendations

[hanhaka]

Transferred to X-Road Service Desk as an enhancement request.