Handles EOL and how to compare files based on extensions

.gitattributes

# taken from https://github.com/aspnet/SignalR-samples/blob/master/.gitattributes

# Auto detect text files and perform LF normalization
* text=auto

*.doc  diff=astextplain
*.DOC	diff=astextplain
*.docx	diff=astextplain
*.DOCX	diff=astextplain
*.dot	diff=astextplain
*.DOT	diff=astextplain
*.pdf	diff=astextplain
*.PDF	diff=astextplain
*.rtf	diff=astextplain
*.RTF	diff=astextplain

*.jpg  	binary
*.png 	binary
*.gif 	binary

*.cs text=auto diff=csharp 
*.vb text=auto
*.resx text=auto
*.c text=auto
*.cpp text=auto
*.cxx text=auto
*.h text=auto
*.hxx text=auto
*.py text=auto
*.rb text=auto
*.java text=auto
*.html text=auto
*.htm text=auto
*.css text=auto
*.scss text=auto
*.sass text=auto
*.less text=auto
*.js text=auto
*.lisp text=auto
*.clj text=auto
*.sql text=auto
*.php text=auto
*.lua text=auto
*.m text=auto
*.asm text=auto
*.erl text=auto
*.fs text=auto
*.fsx text=auto
*.hs text=auto

*.csproj text=auto
*.vbproj text=auto
*.fsproj text=auto
*.dbproj text=auto
*.sln text=auto eol=crlf

*.sh eol=lf

#####
# End of core list, below put you custom 'per project' settings
#####