Support for bibentry.
(reftex-compile-variables): Fixed problem with end of section-re.
* texmodes/reftex-dcr.el (reftex-view-crossref,
reftex-view-crossref-from-bibtex): Deal with changed
`reftex-find-citation-regexp-format'.
(reftex-view-regexp-match, reftex-view-crossref-from-bibtex):
Replaced `remprop' with `put'.
(reftex-view-crossref, reftex-view-crossref-when-idle): Support
for bibentry.
* textmodes/reftex-vars.el (reftex-cite-format-builtin): New entry for
bibentry package.
* textmodes/reftex-parse.el (reftex-locate-bibliography-files): Regexp also
matches "\nobibliography".
* textmodes/reftex-global.el (reftex-renumber-simple-labels): Call
`reftex-ensure-write-access' before doing anything.
(reftex-ensure-write-access): New function.
