Added EditorConfig support.

.editorconfig

@@ -0,0 +1,14 @@
+# EditorConfig configuration
+# http://editorconfig.org
+
+# Top-most EditorConfig file
+root = true
+
+# No trailing whitespaces, but with a newline ending every file,
+# UTF-8 charset, set indent to spaces with width of four
+[*]
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = space
+indent_size = 4