getpelican/pelican — pull request #923 by ka2n (2013-06-08 19:30:13+00:00)
Title: Importer generates too short header line.

Situation: pelican-import command converts wordpress xml to ReST text.

It seems that header line length depends on title character length, but pelican generates following warning in html.

```
System Message: WARNING/2
(/content.rst, line 2)
Title underline too short.
```

Because some languages (ex. Japanese) used wide character.
```#``` line should appropriately lengthened.
Instead of using len(), use unicodedata.east_asian_width to calculate correct title length.