New features

- Add an unfinished updater (subprojet)
- Experimental update manager (not on the main app
Backup commit

Integrated launcher update check into a thread. The result make the gui
to crash, need debugging.
Cleaned up some code
Update the label directly after launcher update
TODO is now a roadmap
Fixed mainwindow label update and bugfixes

- Update label after mod update
- Add a menu to navigate to the mod folder
- Restore launcher update check from options
- Fix incorrect version just after update.
Bugfixes

Bugfix : Hide the close button while update is still pending
Bugfix: setText on installation box label crash the window
Bugfix: Remove the "Waiting for data..." when the text is updated on the
changelog window.
Bugfix

Just show a message when the mod is cleaned up
Bugfixes

- Reworked update function
- Add a warning message in the installer
Merge pull request #7 from dbkblk/devel

Release v0.8