Results refactoring

Description

Remove results object and replace them with an entity structure. Closes #140 (closed)

Changes

• Removed HashMap results
• Modified all analyzers to work with new results structure
• Modify checker to work with new entities (removed static and dynamic results)
• Modify submission controller to work with new results
• Modify ReportGenerator to use new V8 engine instead of Mongo --eval

Additions

• CK analyzer
• Entities and project entities
• New repositories for entities

Test and Review

To be filled in by the reviewers

• All of the methods are commented to expectation

• The methods are tested to satisfaction

• There are no unnecessary files present in the MR

• The continuous integration has no problems with the MR

• The MR is filled in as requested (including labels, milestones, and reviewers)

• The documentation is up-to-date

• All nullable parameters are marked as such