Add Xft font rendering support
Change default font to Bitstream Vera Sans Mono-8
Use fallback font when character is missing from main xft font
Support multiple fallback fonts (up to 4)
Fixed bug where it defaults to last font found
Add full UTF-8 support for Xft
Fix issue #22
Add optional Xinerama support

Enable by making with `make XINERAMA=1`
Add Xinerama explanation in the readme
Change width