Propagate log context data

[tfoel]

Details of the Logging Contexts (MDC, ThreadContext, etc) are not sent to AI - this fix adds them as Custom Properties for each logging framework.

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[sayhi2mukul]

Hi Yonisha,

Will this change be published as new version in maven repository.
http://mvnrepository.com/artifact/com.microsoft.azure/applicationinsights-logging-log4j2 shows 1.0.4 as latest version published in march.

Thanks,
Mukul

[OriYosefiMSFT]

Hi Mukul,

We plan to release another version (including to Maven) soon. We do want to add a few more things first before we release the binaries though.

Thanks,
Ori