Mq9.1.1

[ibmmqmet]

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What

Added GetPlatform to mqmetric so it can be used as a label/tag in collectors
Added sample programs demonstrating specific operations such as put/get of message
Fixed conversion of some C strings into Go strings
Update MQI header files for MQ V9.1.1 and give more platform variations
Add support for MQSTAT and MQSUBRQ functions
Add support and sample for Message Property functions
Add InqMap as alternative (simpler) MQINQ operation. Inq() should be considered deprecated
Add support for MQSET function
Add discovery of translated versions of the mqmetric descriptions

How

New programs for samples. Added new MQI wrappers following current style

Testing

Sample programs execute the MQI verbs

Issues

Links to the github issue(s) (if present) that this pull request is resolving.