Add .editorconfig file
editorconfig: nuspec eol to lf
Convert CRLF to LF in *.nuspec files
Add an XML comment with a non-ASCII character

This comment makes sure that the *.nuspec files
are parsed as UTF-8 if the editor doesn’t do
that by default.
Merge pull request #9 from TomOne/editorconfig

Add .editorconfig file
Merge pull request #10 from TomOne/charset-improvements

Convert CRLF to LF in *.nuspec files, insert a comment to make sure that it gets parsed as UTF-8
(maint) small add