Added LCOV comments.
example directory cleanup
json2html not needed in benchmarks anymore
re-include all test cases which I accidentally removed.
Added code coverage script.
Add .gitignore file.
Merge pull request #103 from simongog/fixes

Added LCOV comments.
Merge pull request #104 from mpetri/example-cleanup

Example directory cleanup
Merge branch 'master' into tutorial
Turned on optimisation again!
Added prerequisite.