Update Apache HttpCore from 4.4.13 to 4.4.14

Author: oleg-nenashev

pom.xml

@@ -18,7 +18,7 @@
     <changelist>-SNAPSHOT</changelist>
     <jenkins.version>2.60.3</jenkins.version>
     <java.level>8</java.level>
-    <httpcore.version>4.4.13</httpcore.version>
+    <httpcore.version>4.4.14</httpcore.version>
     <httpclient.version>4.5.12</httpclient.version>
     <httpasyncclient.version>4.1.4</httpasyncclient.version>
   </properties>