Patch/undefined log message task for NilClass (#28)

* RT-2599 Fix the authorization error issue in Passenger

* Fix error that return undefined log_message_task for NilClass

* Update unix socket sender Class

* Exclude the Gemfile.lock

* Reset Gemfile.lock to prev version

Author: slashd0t

lib/stackify/agent_base_sender.rb

@@ -38,10 +38,10 @@ def create_log_group msgs
       msgs.each do |msg|
         log_group.logs << msg
       end
-      log_group.environment = details['env']
-      log_group.server_name = details['server_name']
-      log_group.application_name = details['app_name']
-      log_group.application_location = details['app_location']
+      log_group.environment = details['env'].to_s
+      log_group.server_name = details['server_name'].to_s
+      log_group.application_name = details['app_name'].to_s
+      log_group.application_location = details['app_location'].to_s
       log_group.logger = 'Ruby logger'
       log_group.platform = 'ruby'
       log_group

lib/stackify/logger_client.rb

@@ -4,14 +4,17 @@ class LoggerClient
     def initialize
       @@errors_governor = Stackify::ErrorsGovernor.new
       @@transport = Stackify::TransportSelector.new(Stackify.configuration.transport).transport
+      return if @@transport.nil?
     end
 
     def log level, msg, call_trace
+      return if @@transport.nil?
       task = log_message_task level, msg, call_trace
       @@transport.log level, msg, call_trace, task
     end
 
     def log_exception level= :error, ex
+      return if @@transport.nil?
       task = log_exception_task level, ex
       @@transport.log_exception level, ex, task
     end
@@ -38,10 +41,12 @@ def is_correct_log_level? level
     end
 
     def log_message_task level, msg, call_trace, trans_id=nil, log_uuid=nil
+      return if @@transport.nil?
       @@transport.log_message_task level, msg, call_trace, trans_id, log_uuid
     end
 
     def log_exception_task level, ex, trans_id=nil, log_uuid=nil
+      return if @@transport.nil?
       @@transport.log_exception_task level, ex, trans_id, log_uuid
     end
   end