PCBC-536: Make it clear that timeout properties use microseconds
PCBC-536: Make it clear that timeout properties use microseconds

Change-Id: I5deec4e1aec722c4ae96bc20730fc2ad59fce165
Reviewed-on: http://review.couchbase.org/92688
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbaselabs/php-couchbase,couchbaselabs/php-couchbase,couchbase/php-couchbase,couchbaselabs/php-couchbase,couchbase/php-couchbase,couchbase/php-couchbase,couchbase/php-couchbase,couchbaselabs/php-couchbase