initial implementation of "<fontname>.fontspec" config option
ensure a config file is searched for font shapes, too
redo indentation and some code style

now largely consistent with the latex3 code
sanitise font names more when looking for defaults

(is this right? i think so)
document exciting new feature
tidying
separate out renderer pre-parsing again

I am a slave to my users:
http://tex.stackexchange.com/questions/29079/

sorry for the delay
:)
Merge pull request #142 from josephwright/master

Changes to track expl3
add caveat for \addfontfeature

(from some time ago actually)
Merge branch 'master' of github.com:wspr/fontspec

I was a fool and forgot to push some commits from ages ago
Nothing major

Conflicts:
	fontspec.dtx
Track change in expl3: `\tl_length:n` => `\tl_count:n`