Add icons and mimetypes for *.d, *.dd and *.di source code files on deb packages.
Add more smaller icon sizes and update subclasses.
Merge pull request #80 from jordisayol/master

Add icons and mimetypes for *.d, *.dd and *.di source code files on deb packages.
Add system menu entry for an easy access to dmd/phobos documentation (deb package).
Only allow one instance of Windows installer

Ported from linux\win\installer.nsi
Uninstall previous versions before installation

Ported from linux\win\installer.nsi
Make D2 installation mandatory on Windows
update Visual D version to 0.3.38-1
Merge pull request #83 from eco/port-linux-nsis-features

Port Windows installer features from linux\win version
Merge pull request #84 from rainers/visuald_0.3.38-1

update Visual D version to 0.3.38-1
Fix minor mistype in deb package
Merge pull request #82 from jordisayol/master

Add system menu entry for an easy access to dmd/phobos documentation (deb package).