Changes to Bacon.js

1. changing `EventStream#map`;
2. changing `Bus#error`;
3. changing `Bacon.update`;
4. expanding `Bacon.when` `JSDoc`s;
5. switching from `node-0.10.d.ts` to `node-0.11.d.ts`;
6. creating `.editorconfig` file.

baconjs/.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*.ts]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true