boot2docker 0.8.0

Closes #28270.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
python: update 2.7.6 bottle.
nginx: update 1.4.7 bottle.
elinks: update 0.11.7 bottle.
tor: update 0.2.4.21 bottle.
ejabberd: update 13.12 bottle.
ruby: update 2.1.1 bottle.
mosquitto: update 1.3.1 bottle.
python3: update 3.4.0 bottle.
openconnect: update 5.99 bottle.
mysql: update 5.6.17 bottle.
wget: update 1.15 bottle.
mutt: update 1.5.23 bottle.
mongodb: update 2.6.0 bottle.
libssh2: update 1.4.3 bottle.
curl: update 7.36.0 bottle.