Adding git attributes for handling lineendings

.gitattributes

@@ -0,0 +1,17 @@
+# 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
+*.cpp text
+*.h text
+*.ino text
+*.xml text
+*.lua text
+
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary
+*.gif binary