Add settings link to plugins list screen

Signed-off-by: Nick Ciske <nick@thoughtrefinery.com>
Prevent multiple submission of form data (even if it's the same form id on the page multiple times)

Signed-off-by: Nick Ciske <nick@thoughtrefinery.com>
Remember "send me a copy" between submits

Signed-off-by: Nick Ciske <nick@thoughtrefinery.com>
Attempt to resolve WP Super cache issues with captcha

Signed-off-by: Nick Ciske <nick@thoughtrefinery.com>
Fix notices, unset org_id/oid before email is sent

Signed-off-by: Nick Ciske <nick@thoughtrefinery.com>
Allow org_id to be overridden at the form level

Signed-off-by: Nick Ciske <nick@thoughtrefinery.com>
Tweak plugin URLs, add Try DA and support links to plugin list

Signed-off-by: Nick Ciske <nick@thoughtrefinery.com>