[dev-context] garden: filename capitalization

[Patrick Gundlach]

Hi Sanjoy,

> Can one stop the wiki upload from capitalizing the first letter of
> uploaded filenames?  Case matters on most Unix systems (not sure about
> Mac OS X though), so for example a T-bib.tex won't be as much use as a
> t-bib.tex.

This is annoying, true. I've changed this, let's see if it breaks the
other linking. 

Patrick