1.9.2
Merge branch 'master' of https://github.com/github/gitscm-next
Compress images

Compress images using
[ImageOptim](https://github.com/pornel/ImageOptim) version 1.4.3
Convert figures to limited-palette PNG

Convert `public/figures/*.png` to limited-palette PNGs containing a
maximum of 256 different colors. This reduces file size tremendously.
Convert assorted images to limited-palette PNG

Convert images that don't have very many visibly different colors to
limited-palette PNGs containing a maximum of 256 different colors. This
reduces file size tremendously.
Replace GitX(L) with actively maintained GitX-dev.
Merge pull request #298 from ben/gitx-dev

Replace GitX(L) with actively maintained GitX-dev.
Fix cibuild script
Fix cibuild again
Merge pull request #295 from pathawks/master

Compress image files to save space
Fix cibuild for good
update list of languages and add link to progit
Fix typo
Merge pull request #303 from julianotoriani/typo_fix

Fix typo
Merge branch 'master' of https://github.com/github/gitscm-next
Merge #301
Fix typo

It should be directory instead of direcotry.

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Merge pull request #306 from stefanbeller/master

Fix typo
Fix delicious.com links
Merge pull request #310 from QWp6t/patch-1

Fix delicious.com links