change module name to resolve conflict with model name.

lib/openproject_meeting.rb

@@ -1,4 +1,4 @@
 require 'openproject_meeting/engine'
 
-module Meeting
+module MeetingsPlugin
 end

lib/openproject_meeting/engine.rb

@@ -1,8 +1,8 @@
 require 'rails/engine'
 
-module Meeting
+module MeetingsPlugin
   class Engine < ::Rails::Engine
-    isolate_namespace Meeting
+    isolate_namespace MeetingsPlugin
 
     config.to_prepare do
       require 'redmine/plugin'

lib/openproject_meeting/hooks.rb

@@ -1,4 +1,4 @@
-module Meeting
+module MeetingsPlugin
   class Hooks < Redmine::Hook::ViewListener
     render_on :activity_index_head,
               :partial => 'hooks/activity_index_head'

lib/openproject_meeting/patches/mailer_patch.rb

@@ -1,4 +1,4 @@
-module Meeting
+module MeetingsPlugin
   module Patches
     module MailerPatch
       module InstanceMethods

lib/openproject_meeting/patches/project_patch.rb

@@ -1,4 +1,4 @@
-module Meeting
+module MeetingsPlugin
   module Patches
     module ProjectPatch
       def self.included(receiver)

lib/openproject_meeting/version.rb

@@ -1,3 +1,3 @@
-module Meeting
+module MeetingsPlugin
   VERSION = "2.3.3"
 end