fix #565 - select sender by correctly parsing recipients
Merge branch '0.3.4-fix-recipients-565'
docs: for Envelope
fix Envelope __[sg]etitem__

to actually work on self.headers as *list* of strings for each key.
this hasn't been a problem since these convenience methods are not
really uset at all atm..
Merge branch '0.3.4-docs-567'
doco - package names for fedora-based distros
Merge pull request #572 from lzap/fedora-docs

doc: package names for fedora-based distros
fix #571
Merge branch '0.3.4-fix-571'
correcting error message for theme

When there was a theme parse error, alot was producing incorrect exception:

in read_config raise ConfigError((err_msg % str(themestring)) + e.message)
TypeError: cannot concatenate 'str' and 'ParseError' objects
Merge pull request #573 from lzap/theme-parse-error

correcting error message for theme
adding ctags to gitignore
Merge pull request #574 from lzap/tags-gitignore

adding ctags to gitignore
fix #575
Merge branch '0.3.4-fix-575'
update faq and install notes (reg py3k)
docs: add missing char
docs: mention muttkz (add missing char in link)
update urwid dependency

cf issue #576