improve .gitignore files, fix index.html links, sync CNAME

fix experimental web site links in experimental index.html

sync CNAME with https://github.com/ioccc-src/winner/blob/master/CNAME

improve .gitignore files

Added to each .gitignore file, comments on how to sort.

Put into winner .gitignore files, ignore *.dSYM files.

Put into winner .gitignore files, ignore indent.c,
indent.o and indent files.  This is done so that the
winner directory can more self contained.

We did not put into winner .gitignore files, however,
excludes of .-files as found in the top level .gitignore file.
As .-files are not allowed by mkiocccentry, the top level
.gitignore file remains sufficient.

Added to year level .gitignore files, excludes of
mkentry or iocccsize files as needed.

Sorted (via sort -d -u) all .gitignore file.

2018/.gitignore

@@ -0,0 +1,4 @@
+#
+# sort with: sort -d -u
+iocccsize
+iocccsize.o

2018/algmyr/.gitignore

@@ -1,5 +1,11 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 out.raw
 prog
 prog.alt
-spectrogram.png
 prog.orig
+spectrogram.png

2018/anderson/.gitignore

@@ -1,3 +1,9 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 prog
 prog.alt
 prog.orig

2018/bellard/.gitignore

@@ -1,7 +1,13 @@
+#
+# sort with: sort -d -u
+*.dSYM
+fruits.ppm
+indent
+indent.c
+indent.o
+lena512.ppm
 lena.ppm
 prog
-small.jpg
-fruits.ppm
-lena512.ppm
-vintage_cars.ppm
 prog.orig
+small.jpg
+vintage_cars.ppm

2018/burton1/.gitignore

@@ -1,3 +1,9 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 prog
 prog.alt
 prog.orig

2018/burton2/.gitignore

@@ -1,3 +1,9 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 keywords
 manpage
 prog

2018/ciura/.gitignore

@@ -1,3 +1,9 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 prog
 prog.alt
 prog.orig

2018/endoh1/.gitignore

@@ -1,7 +1,13 @@
+#
+# sort with: sort -d -u
+*.dSYM
 golem.gif
+indent
+indent.c
+indent.o
 invisible.gif
 output.gif
 prog
 prog.gif
-smily.gif
 prog.orig
+smily.gif

2018/endoh2/.gitignore

@@ -1,3 +1,9 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 prog
 prog_next
 prog_next.c

2018/ferguson/.gitignore

@@ -1,6 +1,11 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 prog
 prog.alt
 prog.orig
 weasel
 weasel.alt
-prog.orig

2018/giles/.gitignore

@@ -1,2 +1,8 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 prog
 prog.orig

2018/hou/.gitignore

@@ -1,3 +1,9 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 ioccc.html
 ioccc.json
 output.html

2018/mills/.gitignore

@@ -1,10 +1,16 @@
+#
+# sort with: sort -d -u
 builddisk.bsd
 builddisk.v6
+*.dSYM
 empty.fs.bz2
+indent
+indent.c
+indent.o
 prog
+prog.orig
 rk05.bsd.fs
 rk05.v6.fs
 v0
 v6
 v6.img.bz2
-prog.orig

2018/poikola/.gitignore

@@ -1,3 +1,9 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 poikola.aux
 poikola.log
 poikola.pdf

2018/vokes/.gitignore

@@ -1,2 +1,8 @@
+#
+# sort with: sort -d -u
+*.dSYM
+indent
+indent.c
+indent.o
 prog
 prog.orig

2018/yang/.gitignore

@@ -1,14 +1,20 @@
+#
+# sort with: sort -d -u
+*.dSYM
 generated1.c
 generated2.c
 generated3.c
 generated4.c
 generated5.c
+indent
+indent.c
+indent.o
 left
 msg[0-9]
-prog
-right
-shift
-rotated_counterclockwise.txt
-rotated_clockwise.txt
 no_leading_space.txt
+prog
 prog.orig
+right
+rotated_clockwise.txt
+rotated_counterclockwise.txt
+shift