Upgrade dependencies (#277)

versions.props

@@ -1,21 +1,21 @@
 com.google.auto.service:auto-service = 1.0-rc3
-com.google.errorprone:error_prone_annotations = 2.0.19
+com.google.errorprone:error_prone_annotations = 2.3.1
 com.google.errorprone:error_prone_core = 2.0.19
 com.google.errorprone:error_prone_test_helpers = 2.0.19
 com.google.guava:guava = 21.0
 com.palantir.baseline:* = 0.19.0
-com.palantir.safe-logging:* = 1.1.1
+com.palantir.safe-logging:* = 1.4.0
 org.slf4j:slf4j-api = 1.7.24
-net.ltgt.gradle:gradle-errorprone-plugin = 0.0.12
+net.ltgt.gradle:gradle-errorprone-plugin = 0.0.14
 
 # test deps
 com.google.truth:truth = 0.30
-com.netflix.nebula:nebula-test = 6.4.2
+com.netflix.nebula:nebula-test = 6.5.0
 junit:junit = 4.12
 net.lingala.zip4j:zip4j = 1.3.2
 org.apache.commons:commons-io = 1.3.2
-org.apache.commons:commons-lang3 = 3.5
-org.assertj:assertj-core = 3.5.2
+org.apache.commons:commons-lang3 = 3.7
+org.assertj:assertj-core = 3.10.0
 org.hamcrest:hamcrest-core = 1.3
 org.mockito:mockito-core = 1.10.19
 com.fasterxml.jackson.*:* = 2.6.7