Issue #89: moved HTTP proxy support code into a separate method
Issue #89: moved HTTP proxy support code into a separate method

redminenb/redmine-java-api,redminenb/redmine-java-api,Wurmy/My_Redmine-Java-API_XML,stephenc/redmine-java-api,sleroy/redmine-java-api,taskadapter/redmine-java-api,sleroy/redmine-java-api,taskadapter/redmine-java-api