Add socket for listening for memcached requests
Initial documentation of planned memcached command guarantees

As well as overview of how we map memcached to Stig
Remove unneded test state files, add needed test state files

A test state file is only needed if the test isn't passing.
Refactor run_tests to have a proper main function
Use relative paths rather than absolute paths so that the reporting is simpler/easier/etc.
Merge pull request #62 from cmaloney/lang_test_cleanup

Language test cleanup