Unit test checks

[Sriep]

Adds an extra check to pull requests to run all the unit tests. This takes an extra 10 minutes on each pull request but helps prevent problem code from entering the master branch.

In order for the master branch to pass unit test checks, several failing unit tests have been deactivated. An issue #130 has been created to fix them.

There is a decision whether to use the -v verbose option in the go test. Currently not set as at the moment the output consists mostly of dumps of PMT databases which obscure everything else, and fills up the output buffer. However, the -v off output only shows pass or fail with no indication of why. Once the unnecessary unit-test output is removed as suggested in issue #130 the -v option could be added.

When running without the -v option I sometimes get concurrent access issues indicating problems with race conditions. I raised a separate issue #131 to investigate these.

• Add unit test checks on any pull requests.
• Remove lint test check on pull requests. This never worked and needs to be completed Issue Add golangci-ling check to pull requests #132
• Remove failing unit tests so that the master branch passes the check.
• Fixed small go version dependant syntax error in m_handler.go