Merge pull request #22 from eco/detect-vs-for-64-bit

Modify sc.ini with detected VC/SDK paths
Add "shlibs" file.
Fix shared phobos library name.
Fix phobos source.
Add fixed date in the Copyright file (Multiarch requirement)
Set libcurl as suggestion on deb packages.
Properly set libcurl dependeincies on deb packages.
Add soname symlink
Add Visual D to the Windows installer