Use LF to match jQuery Styleguide

.editorconfig

@@ -5,7 +5,9 @@ root = true  ; top-most EditorConfig file
 [*]
 indent_style = tab
 indent_size = 4
-end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[*.js]
+end_of_line = lf

.gitattributes

@@ -1,2 +1,5 @@
 # Auto detect text files and perform LF normalization
-* text=auto
+* text=auto
+
+# JS files must stay in LF for JSCS/jQuery Styleguide
+*.js eol=lf