[IMP] New design : menus reorganization

- Several Modules have been splitted into several apps
  Examples :
      Human Resources : Splitted into Leaves, Recruitment, Expenses, Appraisals, Timesheets, Employees, Payroll
      Marketing : Mass Mailing, Events, ...
      Messaging : Chat, Agenda, Notes, Address Book, ...
- Generally, the related reports have been moved in the apps, as last menu
- Also, configuration menu (no_one group) have been moved into a config root menu
  exception made for the warehouse and lunch modules
- Configuration for typical frontend modules have been moved into the website settings
  Related modules : Ecommerce, blog, slides, forum
- When they are present, menus like 'product' or 'customers' have been moved
  ex : Customers in Sales menu, Product in POS menu
- A lot of sequences and xmlids have been added or modified in this commit
- List of apps :
1  Chat : Inbox, Channels
2  Agenda : Calendar
3  Notes
4  Address Book : The view contact is still laying in the mail module (1 app => 2 icons)
5  eCommerce : Still to define : Config + Orders Analysis + Shipping + incoming Amazon module
6  Sales : Dashboard (Sales Team Kanban), CRM, Sales (note that they are splitted into 2 submenus)
         Assignation, After-Sales (Invoicing and Services), Reports
7  Point of Sale : Dashboard (POS status), Orders, Reports
8  Project : Dashboard (Project Kanban), Search (all tasks, issues), Incoming Forecasts module, Reports
   Project.issue.version feature has been removed completely
9  Members : Dashboard (Members Kanban), Report, Config
10 Timesheets : Time Tracking, Approvals, Reports
11 Purchase : Purchase, Control (Products and Bills)
12 Warehouse : Dashboard (Warehouse Kanban), Operations, Inventory Control, Schedulers, Configuration
13 Manufacturing : Same menu structure
14 Mass Mailing : Mailings, Campaigns, Reports
15 Events : Events, Reports
16 Lead Automation : Campaigns, Reports
17 Surveys : Surveys, Reports
18 Human Resources : Dashboard (Departments Kanban), Employees, Contracts, Engagement (Gamification)
19 Recruitment : Job Positions, Applications, Resumes & Letters, Reports
20 Expenses : Expenses, Approvals, Reports
21 Leaves : My Leaves, Approvals, Reports
22 Appraisals : Appraisals, Interview, Reports --> Will probably be modified by the incoming refactoring
23 Payroll : Current Menu
24 Lunch : My Lunch, Manager, Configuration
25 Accounting : Same menus currently, waiting the new accounting to be merged
26 Fleet : Current menu
27 Sign : Incoming docusign module
28 No root menuitem with this sequence
29 Attendance : Attendance, Reports
   Sign in/out by project feature has been removed completely
30 Link Tracker (group_no_one) : Link Tracker, UTMs
   New view added : URL Shortner, which is the frontend view embedded in backend
31 Versionning : Website domain, Versions, Experiments
32 Slides (group_no_one) : Channels, Categories, Slides, Tags
33 No root menu item with this sequence
34 Livechat : Channels, History, Reports
35 Dashboards : My Boards, Configuration
36 App Store : Local Modules, Apps, Updates
Last Settings : Incoming Dashboard Settings, Sales, ...., Website Settings
General Pattern for all modules' settings :
| Module_name
|-- Settings : General Config view (checkbox screen)
|-- Record setting 1
|-- ...
|-- Record setting n
Example for Sale module
| Sales
|-- Settings : Checkbox screen
|-- Quotations
|---- Quotation Templates
|---- Report Layout Categories
|---- Contract Template
|---- Invoice Type
|-- Contract
|---- Deduplicate Contacts
|-- Delivery
|---- Delivery Methods
|---- Delivery Pricelist