[JRO] Better UTF-8 handling

Re: issue #72

Dropped into pry to play around with this a bit and found a manner to
force encoding and handling to be a little less ... delete'y /
text-stripping'y?

Tests now check for both a byte/octet and an actual UTF-8 character
within the context of both html and plain text. Looking at the content
of an email object here, ...

https://gist.github.com/dorra/6354910/raw/1dfa16fd7ad1d70a4286b15438c0472760b6c70d/sample_mail

... thanks to @dorra, provided some context as to where the improvement
could come.
Merge pull request #85 from thoughtbot/jro-better-utf8-handling

[JRO] Better UTF-8 handling
Merge pull request #84 from bradpauly/master

Add adapter for mailgun.
Avoid double route definition.
Merge pull request #88 from dorra/master

Avoid double route definition.
Added case insensitivity to the emailer parser check on 'original message'. Fixes #86
Merge pull request #87 from craigsheen/master

Add check for 'Original message' (lower case m) in the parser
Add From: regex delimiter to EmailParser
Allow custom processor method on processor_class
Document process_method configuration option
Clarify auto-routing behavior in README

* Clarifies language to highlight the current default routing behavior
Update Mandrill adapter to include From name.
Merge pull request #101 from pbougie/mandrill

Update Mandrill adapter to include From name
CC: Added the ability to parse and process the list of cc

It extracts the Cc addresses in the header.
It adds a cc method to the email object.
It will default to an empty Array if it is not present.
It will return a list of pure email addresses
Pluralizes "initializer" to be copy / pastable
Add a separator to handle '2013/12/15 Bob Example <bob@example.com>'

Closes thoughtbot/griddler#103
Merge pull request #105 from r38y/new-separator

Add a separator to handle '2013/12/15 Bob Example <bob@example.com>'
Better parsing of emails form iOS Mail client
Updates cc to behave similar to `to` and `from`
Fixed configuration example code in README