Fixed overlapping button shortcut
Added printing ToolRunner logs in debug build only
Fixed improper OK-button disabling
Added simple 'About...' dialog
Moved ComboBoxItem into respective location
Fixed namespace for ComboBoxItem
Hidden DialogDeviceClass

Moved as internal to the only form that used it.
Disabled Add-button when loading device properties
Updated all Visual Studio projects

Now all supported versions (VS2010, VS2012, VS2013) share the same code
base, menu configurations and compile, deploy, run smoothly.