Add support for log formatting #8

Job	Run time
opentelemetry-api	43s
opentelemetry-exporter-opencensus	42s
opentelemetry-exporter-otlp-combined	47s
opentelemetry-exporter-otlp-proto-common	48s
opentelemetry-exporter-otlp-proto-grpc	51s
opentelemetry-exporter-otlp-proto-http	53s
opentelemetry-exporter-zipkin-combined	45s
opentelemetry-exporter-prometheus	42s
opentelemetry-exporter-zipkin-json	42s
opentelemetry-exporter-zipkin-proto-http	46s
opentelemetry-getting-started	1m 14s
opentelemetry-opencensus-shim	43s
opentelemetry-opentracing-shim	52s
opentelemetry-propagator-b3	39s
opentelemetry-propagator-jaeger	41s
opentelemetry-proto	29s
opentelemetry-sdk	34s
opentelemetry-semantic-conventions	39s
opentelemetry-test-utils	37s
	14m 7s

Provide feedback