removing httpclient due to deprecation warning

impressionist.gemspec

@@ -18,8 +18,6 @@ Gem::Specification.new do |s|
   s.require_path  = 'lib'
   s.required_rubygems_version = Gem::Requirement.new('>= 1.3.6') if s.respond_to? :required_rubygems_version=
 
-  s.add_dependency 'httpclient', '~> 2.2'
   s.add_dependency 'nokogiri', '~> 1.6'
-
   s.add_development_dependency 'bundler', '~> 1.0'
 end

lib/impressionist/bots.rb

@@ -1,11 +1,13 @@
-require 'httpclient'
+require 'timeout'
+require 'net/http'
 require 'nokogiri'
 
 module Impressionist
   module Bots
     LIST_URL = "http://www.user-agents.org/allagents.xml"
     def self.consume
-      response = HTTPClient.new.get_content(LIST_URL)
+      Timeout.timeout(4) do
+        response = Net::HTTP.get(URI.parse(LIST_URL))
         doc = Nokogiri::XML(response)
         list = []
         doc.xpath('//user-agent').each do |agent|
@@ -16,3 +18,4 @@ module Impressionist
       end
     end
   end
+end

tests/test_app/Gemfile

@@ -36,6 +36,9 @@ group :development, :test do
   gem 'autotest-notification'
   gem 'rspec-rails', '~> 2.14.0'
   gem 'spork'
+
+  # test/unit has been removed by default in Ruby 2.2.x+
+  gem 'test-unit'
 end
 
 group :test do