Re-added settings files to project.
Merge branch 'master' of git://github.com/peterix/MultiMC5
Add .user files to gitignore and remove deleted files from CMakeLists.
Implemented settings dialog.
Resized main window and added version info.
Implemented the view folder buttons on the main window.
Changed group list loading to use Qt JSON instead of boost.
Add instance toolbar.
Added instance context menu and status tips.
Got rid of boost.
Fix naming issue in instance model class.
Add copy constructor for version class.
Implement news and report bug buttons.
Added new instance dialog.
Added MultiMC_LINK_ADDITIONAL_LIBS option to CMakeLists.
Added install target for Windows.
Added base class for tasks.
Started working on task system and login system.
Implemented login system.
Some minor changes in the instance model and control