remove -L--no-warn-search-mismatch

- Not available for FreeBSD linker.
- Not needed because we only use the correct phobos lib dir.
remove temporary findtags tools
fix Issue 11799 - Incompatible argument types in create_dmd_release

- use std.file.setAttributes
fix Windows build error
fix libCurl download

- Use same URL/zip as windows installer.
- get_dlibcurl32 fails, because the downloaded libcurl.dll
  depends on additional dlls.
- Use std.net.curl to download the zip, i.e. create_dmd_release
  depends on a working libcurl.dll, but uses the downloaded one
  to build a release.
copy ini files from dmd folder
Merge pull request #34 from MartinNowak/fixWin

[2.065] fix Windows build error
Merge pull request #35 from MartinNowak/fetchCurl

[2.065] fix libCurl download
Merge pull request #39 from MartinNowak/dmd_ini

copy ini files from dmd folder
join common make flags
pass RELEASE=1 to make for build targets

- at least dmd need this to use a correct version info
Merge pull request #30 from MartinNowak/master

[2.065] pass RELEASE=1 to make for build targets
Merge pull request #33 from MartinNowak/fix11799

[2.065] fix Issue 11799 - Incompatible argument types in create_dmd_release
Merge pull request #29 from MartinNowak/fixFreeBSD

[2.065] remove -L--no-warn-search-mismatch
Merge pull request #32 from MartinNowak/findtags

[2.065] remove temporary findtags tools