svn commit: r33892 - /dev/incubator/zipkin/zipkin-api/0.2.1/

[jeqo]

Author: jeqo
Date: Fri May  3 14:04:59 2019
New Revision: 33892

Log:
prepare for zipkin-api v0.2.1 release

Removed:
    dev/incubator/zipkin/zipkin-api/0.2.1/