Clarify usage of lcb_get_node constants
Clarify usage of lcb_get_node constants

Change-Id: Ie01bf9e110c26ec43b6826f6a646e13c743ef20e
Reviewed-on: http://review.couchbase.org/40937
Reviewed-by: Brent Woodruff <0d72ff0905e7f8b2b879fe7744d4952a9b6d56a3@couchbase.com>
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

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