Log Message:
Updated thunderbird-enigmail to 1.9.6.

Changes in 1.9.6

Make key importing more robust
New variant of PGP/​MIME messages broken by MS-Exchang
Better detection is decrypted message is displayed

Changes in 1.9.5

Enigmail wizard fails with GnuPG installation
Include AppData
Forwarding an encrypted message results in empty body
enigmail does not seem to parse last '=' in quoted-printable encoded \ 
encrypted/​signed parts
select keys for Per-Recipient-Rules regression : all keys are unchecked