Changes Since v0.2.0

a1393af Allow custom display name format for spans (#45) (#48)
4596d11 Add bundler to trace exporter (#39)
22d058f Corrections to the Trace exporter README (#51)
8c1bbc5 Fix typos in the hyperlinks to READMEs (#46)
a756ce9 Add script to create an example Cloud Monitoring dashboard and README (#43)
b523d84 Add README to trace and metric exporter (#44)
2f52732 Update trace exporter to v0.6.0 compat (#33) (#40)
5fb47d1 Change default aggregation for Counter, Observer and Recorder (#41)