Update .gitattributes to prevent CRLF issues

.gitattributes

@@ -1,7 +1,6 @@
-# Lineendings
-*.sln        eol=crlf
-*.vcproj     eol=crlf
-*.vcxproj*   eol=crlf
+# Auto detect text files and perform LF normalization
+* text=auto
+
 
 # Whitespace rules
 # strict (no trailing, no tabs)
@@ -16,5 +15,17 @@
 *.patch  whitespace=-trailing-space eol=lf
 *.diff   whitespace=-trailing-space eol=lf
 
+# Standard to msysgit
+*.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
+
 # Ignore sql/* files
 sql/*    linguist-documentation