Mail: SendMailMailer: fix for stupid PHP error handling
Mail\Message::setHtmlBody() decodes %XX in URL
Mail\MimePart::encodeHeader() fixed counting of offset
Mail\MimePart::encodeHeader() - do not use base64 encoding for long headers [Closes nette/mail#4] partially
Mail\MimePart::getEncodedHeader() don't use base64 encoding where can be quoted string [Closes nette/mail#4]
fixed in_array
marked @internal methods
tests: removed bad Finder test
.travis: added code checker
removed dead & unused code, typos
Released version 2.0.16