Rss2email

* Catch and warn for invalid Content-Types
* Add a manually extracted list of config options to r2e.1
* Add a redirect post-process module
* Follow symlinks of datafiles
* Add zsh completion
* Add support for maildir
* Fix `r2e new` overwriting an existing config
* Add new `feed-name` and `feed-url` attributes for the `name-format` setting
* Change logging format
* Allow multiple SMTP recipients
* Fix SMTP security issues
* Fix test suite
* Drop support for Python 3.2 and 3.3
* Remove `__contributors__` from the `rss2email` module
* Stop using deprecated `html2text.unescape`
* Fix locking issues when data file is on NFS
* Add `same-server-fetch-interval` setting for rate-limiting fetches to a server
* Update setup.py to setuptools

* Catch and error out if a user adds a feed with a duplicate name
* Split sender into both sendmail's -F and -f
* Fix an error with SMTPConnectionError inheritance order ("does not take keyword arguments")
* Add a new `smtp-ssl-protocol` setting, to select acceptable protocols for SMTP connections
* Fix non-compliant User-Agent header for HTTP/1.1
* Fix an error in the NoToEmailAddress invocation
* Add a new `trust-link` setting, to prefer the `link` attribute over the `id` attribute for identifying entries

* Sluggify feed names on opmlimport
* Allow Unicode letters and digits in feed names, instead of just ASCII letters and digits

* Fix fallback for titles that contain malformed HTML
* Fix atomic saves to avoid garbling config and data files if the disk is full
* Convert the `friendly-name` boolean to the new `name-format` setting. This allow users to customize how the friendly name is constructed
* Demote guessed encodings logs from 'error' to 'warning'

* Fix missing port argument for IMAPAuthenticationError
* Fix `<div id="entry>` syntax error in HTML mail

* Added digest generation and post-processing hooks
* Fix html2text configuration (ignored since 2012-10-04)
* Fix opmlexport crash due to orphaned feed data
* Use feed names in OPML 'text' attributes