Merge pull request #1643 from Jasig/renovate/org.apache.httpcomponent…

…s-httpclient-4.x

chore(deps): update dependency org.apache.httpcomponents:httpclient to v4.5.8

gradle.properties

@@ -67,7 +67,7 @@ hamcrestVersion=1.3
 hibernateVersion=4.2.21.Final
 hibernateJpamodelgenVersion=1.3.0.Final
 hsqldbVersion=2.4.1
-httpclientVersion=4.5.7
+httpclientVersion=4.5.8
 httpcomponentsVersion=4.4.11
 jacksonVersion=2.9.8
 jansiVersion=1.11