spread operator doesn't change indent (#462)

i don't know if this actually makes very much sense

```
10
  ..toString()
```
is invalid

Author: bounceme

indent/javascript.vim

@@ -94,7 +94,7 @@ endfunction
 " Regex that defines blocks.
 let s:block_regex = '[{([]' . s:line_term
 
-let s:operator_first = s:line_pre . '\%([.,:?]\|\([-/+*]\)\%(\1\|\*\|\/\)\@!\|||\|&&\)'
+let s:operator_first = s:line_pre . '\%([,:?]\|\([-/.+*]\)\%(\1\|\*\|\/\)\@!\|||\|&&\)'
 
 let s:var_stmt = s:line_pre . '\%(const\|let\|var\)\s\+\C'