KAZOO-3157 less logs
KAZOO-3157 smtp_rfc822_parse.yrl not handled by makefile
KAZOO-3157 only recurse get_value([...], ..) for binaries and atoms
KAZOO-3157 gen_smtp new encoding side effects. when the result of
rendering a template is a iolist of binaries, we get error when calling
encoding on gen_smtp
KAZOO-3157 add extension_to_content_type. when an attachment doesn't
have a content-type, we try to resolve by extension.
KAZOO-3157 resolve send_error bug by passing the proper value.
KAZOO-3157 when an attachment doesn't have a content-type try to resolve
it by extension.
KAZOO-3157 check for invalid fax number before sending.
KAZOO-3157 fix FILL_TIME in buckets
KAZOO-3517 teletype render returns api_binary()
Merge pull request #631 from 2600hz/KAZOO-3157

KAZOO-3157