[cbcollect_info] Resolve symbolic links in dbdir and viewdir.
[cbcollect_info] Resolve symbolic links in dbdir and viewdir.

Sometimes those are symbolic links and lots of information is missing
because tasks that use the values don't expect symbolic links.

Change-Id: I68277bcbd55dedf238ee6acfde36385e000cd16e
Reviewed-on: http://review.couchbase.org/63120
Tested-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>
Reviewed-by: Dave Finlay <7b10a9ed9f70e64c30b07607a671ae61c33f14c8@couchbase.com>

ceejatec/ns_server,ceejatec/ns_server,ceejatec/ns_server,membase/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server