update copyright date

clarify note on part2-ctypes

update README with notes on changes

extract attachments as well as XML with extract action

build in support for tiff by default

update README to offer a tiff example

add another test for encoded content-id

allow for url-encoded content-id within the href

update antrun plugin

a little more testing for the EMBED action

handle multiple attachments in transform-to-embedded

remove unused dependencies from pom.xml

update readme and demo script

update embed logic to properly eliminate newlines

proper config for antrun plugin