issue #58 : remove fluent-hc for optimization

Author: HaiJun Liu

build.gradle

@@ -20,7 +20,6 @@ subprojects {
 
   dependencies {
     compile group: 'org.slf4j', name: 'slf4j-api', version:'1.7.10'
-    compile group: 'org.apache.httpcomponents', name: 'fluent-hc', version:'4.5'
     compile group: 'org.apache.httpcomponents', name: 'httpmime', version:'4.5'
     compile group: 'org.jodd', name: 'jodd-http', version:'3.6.7'
     compile group: 'com.google.code.gson', name: 'gson', version:'2.7'