Update .gitattributes to treat all files except for a few extensions.

Author: davidmatson

.gitattributes

@@ -1,40 +1,40 @@
-*.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
+* text
 
 *.bmp binary
+*.dll binary
 *.gif binary
 *.jpg binary
 *.png binary
+*.snk binary
 
 *.ascx text
+*.cd text
 *.cmd text
 *.coffee text
 *.config text
 *.cs text diff=csharp 
 *.csproj text merge=union 
-*.css text
 *.cshtml text
+*.css text
+*.dtd text
+*.edmx text
 *.htm text
 *.html text
 *.js text
+*.json text
 *.msbuild text
-*.resx text merge=union
+*.nuspec text
+*.resx text
 *.ruleset text
-*.Stylecop text
+*.StyleCop text
 *.targets text
 *.tt text
 *.txt text
 *.vb text
 *.vbhtml text
 *.vbproj text merge=union 
+*.vbs text
+*.wsf text
 *.xml text
 *.xunit text