* buildscripts/gen-emmentaler-scripts.py (i): generate

* buildscripts/gen-emmentaler-scripts.py (i): generate
emmentaler-X.fontname as well.

* buildscripts/ps-embed-cff.py: new script

* scm/lily-library.scm: remove ps-embed-cff.

* scm/framework-ps.scm (write-preamble): don't use kpathsea for
font loading.

* scm/font.scm (add-music-fonts): load dynamics/numbers through
fontconfig as well.

* lily/font-config.cc (init_fontconfig): add cff/ too.

* mf/GNUmakefile: generate .commonff to not confuse fontconfig.

* ly/generate-embedded-cff.ly: capitalize.

* lily/pango-select.cc (select_pango_font): use ::find_pango_font,
so as to register the pango font.

* lily/font-config.cc (init_fontconfig): add
prefix/{otf,type1,mf/out} to fontconfig path.

* lily/main.cc: only look at one prefix directory, LILYPONDPREFIX
overrides all.

* scm/framework-ps.scm (dump-page): use output-units for landscape.

* buildscripts/gen-emmentaler-scripts.py (i): lower case file
name.