New option airline#extensions#ctrlp#show_adjacent_modes allows users to
toggle showing the previous and next modes. The default is the same
behavior as before: show the modes.
Add documentation for new option.
These modes are useful if you switch forward and back through ctrlp's
functionality, but they are visual noise if you don't.
Vim help's help-writing describes how to use '' around options and ||
around help links. Use these where possible to give the correct syntax
highlighting (and help vim-scriptease know the correct type to jump to
for ambiguous symbols).
pydave