draft text snippets for annotations; other small annotations tweaks
replace [SOURCE] with Carelink in some comment versions of the text, since we're using vendor-namespaced codes now
add annotation and annotationdefinititions to tideline index
minor bugfixes in annotation definitions
some quick tests for the annotation definitions to keep typos from breaking things
use test output to show readable current results
Merge pull request #94 from tidepool-org/annotations

annotations text draft