More descriptive name for a member variable in LanguageSwitcher
Some whitespace changes in copyright headers
Change MotGuiWindow::CenterLabelState to an enum class
Added an AcceleratorAssigner to prevent accelerator conflicts

To prevent those conflicts when accelerators are assigned automatically
Use the connect() syntax that's new in Qt 5
Fix inconsistency in naming of member variables in MotGuiWindow
C++11 uniform initialization and constify