Fix a couple links.

2 jobs for master in 5 minutes and 30 seconds (queued for 19 minutes and 58 seconds)
Status Job ID Name Coverage
  Test
failed pages #868

00:00:00

passed testing #867

00:05:30

 
Name Stage Failure
failed
pages Test There is an unknown failure, please try again
$ cd doc
$ make
pandoc -S -c style.css \
-o index.html index.md
pandoc -S --toc --toc-depth=4 -c style.css \
-o about.html ../README
pandoc: ../README: openFile: does not exist (No such file or directory)
make: *** [doc-www] Error 1
ERROR: Job failed: exit status 1