Update version of jekyll.
Revert "Revert "Remove home item on mobile navigation.""

This reverts commit 60f88dfe58913632b89aab1eaa57f3a92588a8c2.
Revert "Revert "Reduce mobile h1 header size.""

This reverts commit 534bf4f9293c4f441571513ce4d2dde9e441fe90.
Revert "Revert "Change the readme to force another build... wish there was more output from Github on failures:(""

This reverts commit 27ce536c225f77b54f32b6ad7a62981e772aec42.