Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
as default language.
(AWK): Use = instead of == for sh test to avoid warning.
(Linux rule): Correct [:digit] into [[:digit:]].
(__func__ rule): Adapt to "gdb_assert.h" move to common subdirectory.
(vasprintf rule): Adapt to common subdirectory moves.
(xasprintf rule): Idem.
(xvasprintf rule): Idem.
(var_boolean rule): Accept occurence in == or != test.
* contrib/ari/gdb_find.sh: Also prune gdbtk directory.
* contrib/ari/create-web-ari-in-src.sh: New file.
* contrib/ari/gdb_ari.sh: New file.
* contrib/ari/gdb_find.sh: New file.
* contrib/ari/update-web-ari.sh: New file.
