Albert Gorski 8b309d62f4 Use guava's 'Joiner' instead of 'String.join'
This replaces the usage of the Java 8 'String.join' method with guava's
'Joiner' which is Java 6 compatible.
2016-09-22 23:25:11 -07:00
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2015-10-01 22:51:10 -07:00