Merge pull request #99 from jordisayol/master

delete obsolete windows installer script builder on Linux folder
fixup #97 - embed dmd in windows installer
Merge pull request #101 from MartinNowak/fixup97

fixup #97 - embed dmd in windows installer
update filter

- drop cppunit filter (no longer in dmd sources)

- always filter out hidden files (leading .)
Embed only the "dmd2" folder, not its parent
Revert "Embed only the "dmd2" folder, not its parent"

This reverts commit d2c01d7341f79151aed0b17e654e5fca6c05a73e.
Embed "dmd2" folder, not its parent
Merge pull request #102 from MartinNowak/fileFilter

update filter
Merge pull request #103 from eco/dmd2-only

Embed "dmd2" folder, not its parent
No need for /REBOOTOK in Windows installer
Error message when download fails in win installer
Fix VisualD url typo
Add libcurl binaries to windows release
Merge pull request #104 from eco/download-run-fix

Fix Visual D download
Merge pull request #105 from eco/include-win-curl

Add libcurl binaries to windows release
fixup 105: add 32-bit curl.lib
Merge pull request #107 from AndrewEdwards/master

fixup 105: add 32-bit curl.lib
Use unique instance mutex for dmc/d1 installers
Merge pull request #109 from eco/fix-single-instance-check-d1-dmc

Use unique instance mutex for dmc/d1 installers