Import CairoUnicode-20140211 as wip/cairo-dingbat-ttf.

Outline version of Susan Kare's classic Macintosh font, by Clark Riley, and
subsequently converted to TrueType and reencoded for Unicode.
add Cairo TTF
Updating package name to denote it is a TTF.
Make package name match the directory name for consistency.
Fix pkglint warnings.