Rollback to faster version of flapdoodle.

Author: gregturn

pom.xml

@@ -70,7 +70,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
 		<assertj.version>3.12.2</assertj.version>
-		<flapdoodle.version>2.2.0</flapdoodle.version>
+		<flapdoodle.version>1.50.5</flapdoodle.version>
 		<hamcrest.version>1.3</hamcrest.version>
 		<jackson.version>2.9.8</jackson.version>
 		<jsr305.version>3.0.2</jsr305.version>