added possibility to change api urls

Author: v-dolgishev

lib/stackify/authorization/authorization_client.rb

@@ -2,7 +2,7 @@ module Stackify::Authorizable
 
   class AuthorizationClient < Stackify::HttpClient
 
-    BASE_URI = URI('https://dev.stackify.com/api/Metrics/IdentifyApp')
+    BASE_URI = URI(Stackify.configuration.api_urls[:auth])
 
     def initialize
       super

lib/stackify/logs_sender.rb

@@ -1,7 +1,7 @@
 module Stackify
   class LogsSender < HttpClient
 
-    LOGS_URI = URI('https://dev.stackify.com/api/Log/Save')
+    LOGS_URI = URI(Stackify.configuration.api_urls[:logs])
 
     def start
       worker = Stackify::Worker.new 'Main sending thread'

lib/stackify/metrics/metrics_sender.rb

@@ -1,7 +1,7 @@
 module Stackify::Metrics
   class MetricsSender < Stackify::HttpClient
-    SUBMIT_METRIS_URI = URI('https://dev.stackify.com/api/Metrics/SubmitMetricsByID')
-    GET_METRIC_INFO_URI = URI('https://dev.stackify.com/api/Metrics/GetMetricInfo')
+    SUBMIT_METRIS_URI = URI(Stackify.configuration.api_urls[:metric_submit])
+    GET_METRIC_INFO_URI = URI(Stackify.configuration.api_urls[:get_metric_info])
 
     def initialize
     end

lib/stackify/utils/configuration.rb

@@ -4,11 +4,17 @@ class Configuration
 
     attr_accessor :api_key, :app_name, :app_location, :env, :log_level, :flood_limit,
                   :queue_max_size, :logger, :send_interval, :with_proxy,
-                  :proxy_host, :proxy_port, :proxy_user, :proxy_pass, :mode
+                  :proxy_host, :proxy_port, :proxy_user, :proxy_pass, :mode, :api_urls
 
     attr_reader :errors
 
     def initialize
+      @api_urls = {
+        auth: 'https://dev.stackify.com/api/Metrics/IdentifyApp',
+        metric_submit: 'https://dev.stackify.com/api/Metrics/SubmitMetricsByID',
+        get_metric_info: 'https://dev.stackify.com/api/Metrics/GetMetricInfo',
+        logs: 'https://dev.stackify.com/api/Log/Save'
+      }
       @errors = []
       @api_key = ''
       @env = :production