Visual D v0.3.42 beta 2

Changes from beta 1:

• add integration into the Visual Studio Performance Wizard
• added project template for console application built with DMD/LDC and x86/x64
• bugzilla 14706: release configurations now enable optimizations and inlining by default
• mago is now the default debug engine for new projects
• demangle D/C++ symbols in disassembly with new tool dcxxfilt that supports both gcc
  and MS C++ mangling.
• more cv2pdb fixes for DWARF