Alignak-app

Fix rigths for Windows users.

Fixes:
- login widget centering
- daemons states

Changes:
- Windows Installation application root to `Program Files`

This version:
- Improve application stability (Especially under Windows)
- Improve Backend requests with `projection` (thanks to ddurieux)
- Acknowledges and downtimes are now fully configurable
- Review notification system with more banners and more settings
- Unified theme (following the WebUI)
- Fix bugs and more...

New Features:
- Host Synthesis View: research and see the states of your hosts, acknowledge them or schedule a downtime.
- States notification improved: percentages, progress bar, all states available
- New message notification system with `ticks`
- Login Window
- Review of menus
- Windows Installer
- And more...

More stability and easy install, fix some bugs.

Fix `open_url` on states menu.
Fix errors in `launch` script

Fix problem of multi-screen 49