fixed logging of couch_set_view calls in capi_set_view_manager

Particularly we fix unreadable formatting of bucket names, design docs
and exceptions. The later was indented too much into right. The former
was formatted as decimal octets.

Change-Id: I1c1c352e27314533eea4a34d68b276cb81f6f112
Reviewed-on: http://review.couchbase.org/33831
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>