tests/test-hgrc.out

coal: even more tweaks

- rearrange file browser columns
- add folder and file icons
- make browse table uniformly monospaced
- use lowercase consistently for column heads
- fix search container div

abort: Failed to parse .../t/.hg/hgrc
File contains no section headers.
file: .../t/.hg/hgrc, line: 1
'invalid\n'