Enhance get_loli_anchor()

get_loli_anchor() let pass some characters (typically ~ and ! that were found
in some loli/anime names). Add code from Django's slugify() to correct that.
Replace anchor links by relative links
Create one page per loli for linking
Prefix loli pages with "loli-"
Add a clean rule to remove the generated HTML pages.
new loli: Quon Kisaragi from RahXephon.

Cry from episode 9 (around 5:05), and picture from episode 5 (around
6:45).
new loli: Kaminagi from Zegapain.

Cry from episode 6 (around 16:18), and picture from episode 6 (around
17:40).
new cry: hiiaaa from Binchou-tan.

Extracted from episode 1, around 8:38.
Fix RSS links and GUID.
Remove the reverse from the RSS, since it's not necessary anymore.
Fix Kaminagi and Quon picture sizes.
Add an anchor hack to make the old links work.

Thanks to arcanis.