localsearch indexing for homes or when only home volume defined

[rdmark]

since the home volumes are dynamic, the OPTION_SPOTLIGHT flag is set for them, which means that the if (obj.options.flags & OPTION_SPOTLIGHT) condition evaluates to false in netatalk.c and the localsearch indexer not started

in addition, the homes basedir is not added to the localsearch database of dirs to index (e.g. /etc/dconf/db/netatalk.d/10-spotlight )

[rdmark]

related to bug report https://sourceforge.net/p/netatalk/bugs/543/ which had a proposed fix in #7 that was never merged

[rdmark]

the cnid and xapian spotlight backends are not affected by this, since they don't start a separate indexer process