CBSE-1444: add formatted internal_settings to /diag output

So that folks don't need to inspect config dump manually to see if
anything was changed or not.

Change-Id: Ic1e59df4510aa372d0bdda39b38be2d029344148
Reviewed-on: http://review.couchbase.org/42208
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
MB-12358: disable ssl v3 for xdcr ssl proxy

Change-Id: I6d8ea4ccf47ce3c39aceff44682072e09561a50f
Reviewed-on: http://review.couchbase.org/42209
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
MB-7226: implement /controller/reAddNode via setRecoveryType

Because the later is superset of the former. And because the later
does proper validation.

Change-Id: Ia11227c3e1173e3d4b90b1a0c557176eff447a45
Reviewed-on: http://review.couchbase.org/42210
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
added misc:is_timeout_exit

Change-Id: I0e7129607e37384f816408adbdb2cdbab702490d
Reviewed-on: http://review.couchbase.org/42211
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>