Bugfixes demo

Description

Fix many bugs for the demo.

Closes #186 (closed)

• Trampoline asked for report too early and submissionController returned empty report. Now returns null until getReportDone() does not return null
• Fix testSmellAnalyzer creating new fileEntities by creating a new container class that contains the TestFile and the fileEntity the files belong to.
• Fix testSmellAnalyzer not adding files to class by finding first class in the test file
• Test smells script did not work due to result.size() call
• Test smells output StringMetric and StringSetMetric
• CPD exited when lexical errors were encountered
• DuplicateCodeBlocks could not be serialized in J2V8
• Lizard passing script did not work

Changes

See above

Additions

Added passing scripts for various metrics

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