coal: more tweaks
- add revision numbers to changeset, browse, and file pages
- add revision number to revision number navigator in log
- remove node from log and filelog pages
- add changeset, browse, and archive buttons back to log page
- make buttons more clickable with display: block
- fix alignment of some table heads
% basic
% unknown
*** [alias] unknown: command bargle is unknown
% ambiguous
*** [alias] ambiguous: command s is ambiguous
% recursive
*** [alias] recursive: circular dependency on recursive
adding foo
% with opts
C foo