Merge pull request #1 from aldafu/WP-414-fix-tests

Wp 414 fix tests
Extend jsonrpc2 module tests
Check that we don't allow the same service multiple times
Check that we can have more services for same api with diff name and/or description
Check that we can search registered services

Jira issue: WP-699
Whitespace fixes

Jira-issue: WP-699
Don't return service if service id doesn't match

Fix registry to not return any service if searched id doesn't exist.
Update tests to check for this.

Jira-issue: WP-699
Merge pull request #4 from aldafu/WP-699-more-tests

Wp 699 more tests