Release 0.104.2

• Hotfixes
• Layer changes
  • Markdown
• Core
• Other fixes and improvements

Hotfixes

• Fix error void-variable warning-minimum-level on Emacs 24.3
  (thanks to syohex)

Layer changes

Markdown

• Fix SPC m c r binding (thanks to tko)

Core

• Silence ad-handle-definition about advised functions getting redefined
• Improve evilification rules, now : is rebound to |, / is rebound to \
  and SPC is rebound to '

Other fixes and improvements

• Add FAQ entry on the difference between available distributions (thanks to
  robbyoconnor)
• Delete obsolete .gitmodules file (thanks to robbyoconnor)
• Improve convention documentation for evilified buffers
• Typos and documentation improvements (thanks to CarlQLange)