* gcc_release (announce_snapshot): Add substitution of @RELEASE@
for README and index.html.
* snapshot-README: Use it.
* snapshot-index.html: Ditto.
From-SVN: r69307
* gcc_release (announce_snapshot): Add substitution of @BRANCH
for README and index.html. Remove substitution of @LONG_DATE.
Put index.html into the respective snapshot directory.
Adjust subject of the notification mail to the new naming scheme
for CVS tags.
Adjust name of the LATEST-IS-... files to the new naming scheme
for snapshot directories.
(FTP_PATH): Ditto.
(LAST_DIR): Ditto.
(LAST_LONG_DATE): Remove.
* snapshot-README: Adjust to the new naming schemes for directories
and snapshots per se.
Dynamically fill in the respective branch instead of hardcoding it.
* snapshot-index.html: Replace individual links to diffs with a
general link to the diff/ subdirectory.
Mention the concrete snapshot in <title> and <h1>.
Adjust links to the new location of index.html.
From-SVN: r69143
* snapshot-index.html: Use F77 instead of G77 front end.
Remove link to CodeSourcery snapshots which was not up-to-date.
Do not refer to gcc-bugs@gcc.gnu.org any longer.
* snapshot-README: Use F77 front end instead of G77 language.
From-SVN: r68149
* snapshot-README: Use GCC instead of gcc, C++ front end instead of
g++ language, and note that Java includes a run time.
* snapshot.index.html: Ditto.
From-SVN: r67938
