v208

#716 - Train of updates containing:

#711 - Update rouge to 💎 v3.23.0
#707 - Update jekyll-redirect-from to 💎 v0.16.0
#710 - Update Jekyll-feed to 💎 v0.15.0
#712 - Update jekyll-remote-theme to 💎 v0.4.2
#713 - Update Jekyll-mentions to 💎 v1.6.0
#714 - Update jekyll-theme-hacker to 💎 v0.1.2
#715 - Update jemoji to 💎 v0.12.0