rb-gsl-jjk: import from AUR
rb-gsl-jjk: updated to 1.14.7

AUR package is out-of-date and seems unmaintained, so this applies the changes
needed and suggested from the comments to make it work.
jekyll isn't 10x faster now, more like 100x! :)
.gitignore: add *.tgz
autojump-jjk: updated to 21.3.0