issue #172 upgrade httpclient to 4.5

Author: chanjarster

pom.xml

@@ -41,7 +41,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <downloadJavadocs>true</downloadJavadocs>
     <downloadSources>true</downloadSources>
-    <httpclient.version>4.3.5</httpclient.version>
+    <httpclient.version>4.5</httpclient.version>
     <slf4j.version>1.7.10</slf4j.version>
     <logback.version>1.1.2</logback.version>
   </properties>