Visual D v0.3.44 beta 1

Changes:

• mago: bring back support to run on Windows XP
• cv2pdb: fix crashes with very long symbols
• can now read and write Mono-D project files (but likely to be incomplete because this was
  a failed attempt to integrate with msbuild and the VC projects)
• now builds with dmd 2.071
• when linking with MS linker, options for the map file broke the command line
• bugzilla 16063: missing option -L/DLL when linking a DLL with MS linker
• added integration with msbuild and VC++ projects
• added installation of mago expression evaluator to Concord debug engine
• added $(Platform) as a settings macro replacement in addition to $(PlatformName)
• changed default output directory to $(PlatformName)/$(ConfigurationName)
• added x64 configurations to project templates