Added test to check if IO thread was running
first batch of changes, pre-promote still need work
added the calculation of the master_score based on the binlog delay in the case of a master crash
basic testing framework
first set of tests, work in progress
adding a test for the slave lag
Improvement to the test framework and debugging
rename of the tests
adding messages for failure
Fix for getting max_binlog_size value
Merge with master-score-by-relaylog-offset