* 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
* snapshot-README: Refer to .bz2 files instead of .gz files.
Add a note on where to find the diff files.
Simplify the note on not using unannounced snapshots.
Remove documentation of the gcc_latest_snapshot tag.
From-SVN: r67205
