Consume zinc 1.0.7 to get logging changes added in https://rbcommons.…

…com/s/twitter/r/2404/

- Consume zinc 1.0.7

Testing Done:
pantsbuild#1735

Reviewed at https://rbcommons.com/s/twitter/r/2415/

BUILD.tools

@@ -75,7 +75,7 @@ jar_library(name = 'benchmark-java-allocation-instrumenter-2.1',
 
 jar_library(name = 'zinc',
             jars = [
-              jar(org = 'org.pantsbuild', name = 'zinc', rev = '1.0.6')
+              jar(org = 'org.pantsbuild', name = 'zinc', rev = '1.0.7')
             ])
 
 SBT_REV = '0.13.8'