Added .gitattributes file that should give us consistent line endings

.gitattributes

@@ -0,0 +1,20 @@
+# Set default behaviour, in case users don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files we want to always be normalized and converted 
+# to native line endings on checkout.
+*.c text
+*.h text
+*.py text
+*.js text
+*.rst text
+*.css text
+*.html text
+
+# Declare files that will always have CRLF line endings on checkout.
+*.sln text eol=crlf
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary
+*.gif binary