cbc: print more verbose information on strerror
cbc: print more verbose information on strerror

This will print the actual constant name and the category, if possible.

Change-Id: I3619e65121c0df85b437344cb95a8f7fd93be4e5
Reviewed-on: http://review.couchbase.org/48517
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

PureSwift/libcouchbase,signmotion/libcouchbase,senthilkumaranb/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,maxim-ky/libcouchbase,senthilkumaranb/libcouchbase,maxim-ky/libcouchbase,maxim-ky/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,senthilkumaranb/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,avsej/libcouchbase,mody/libcouchbase,mody/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,maxim-ky/libcouchbase,signmotion/libcouchbase,mody/libcouchbase,PureSwift/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,senthilkumaranb/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,signmotion/libcouchbase,PureSwift/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,signmotion/libcouchbase,avsej/libcouchbase