OMML reader: change default accent.

The default had previously been set as accute (possibly as a placeholder).
It appears to be circumflex/hat instead. This corrects the error.
Merge pull request #64 from jkr/accentFix

OMML reader: change default accent.
Removed tests/tmp, tests/tmpdiff.

I imagine these were added accidentally.
Added network-uri flag.

This addresses the split of network and network-uri packages.
updated readme and .cabal for new Scholdoc namespace
do not use markup in Synopsis
added reference to the original readme
Merged 178df262 from jgm
fixed texmath executable for Scholdoc
renamed readme for texmath

[skip ci]
Release 0.1