Minor tweaks. Some additional commentary.
Minor tweaks. Some additional commentary.

* (SVN_RO_DAV_PROP, SVN_RW_DAV_PROP): [new] macros to ease construction of
    dav_liveprop_spec initialization structures.
* (dav_svn_insert_prop): add (empty) cases for DAV:getcontentlanguage,
    DAV:getcontenttype, and DAV:target.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion