Visual Studio 2012 icons

Signed-off-by: Andrea Martinelli <martinelli-andrea@outlook.com>
Visual Studio 2012 icons (debugger)

Signed-off-by: Andrea Martinelli <martinelli-andrea@outlook.com>
New application icon

Signed-off-by: Andrea Martinelli <martinelli-andrea@outlook.com>
Improved TreeView appearance (triangles instead of plus/minus)
Improved toolbar and menubar appearance
New default list: .NET 4.5, WinRT
Merge branch 'master' of https://github.com/antiufo/ILSpy