Add colours for the following:

#
# All of the GUI syntax for gVim!! One day..
# Also, find out if whether the Japenese text in the README is accurate. :S

DiffAdd
DiffChange
DiffDelete
DiffText
Ignore
SpellCap     # YCM says this is also for YcmWarningSection,
             # but I do not extensively use YCM to notice where this lies.
SpellRare
SpellLocal
WildMenu
VisualNOS

MatchParen   # This one exists, however I'm not *quite* sure how I want it.