Specify correct format header for initial pages
Fixes padding on buttons

Input type `button` had different padding than other buttons (`submit`, `reset`, ...) which looked odd when they are next to each other, e.g. when editing a page.
Fixed filename encoding issue in Network.Gitit.Cache.

Also simplified some Util code by using Text.Pandoc.UTF8 functions.
Merge pull request #354 from akerbos/patch-1

Fixes padding on some buttons, e.g. Preview
Merge pull request #339 from benmachine/pagetype

Specify correct format header for initial pages
Bump version to 0.10.3.1, update CHANGES.
Fix highlighting in exports.

Closes #356.
Changes to templates require a restart

Updates readme: Changes to templates require a restart
Merge pull request #362 from akerbos/patch-1

Changes to templates require a restart
Updated happstack-server bounds.  Closes #382.
Changes to allow compilation with pandoc 1.12.

TODO:  Better handling of images and other resources in
Docx, ODT, PDF exports.
Display eps as image, not code.
Resolved merge conflict after pull from github jgm/gitit.
Added custom.js for local customizations.