Trim hanging `<br/>` tags from log messages

This introduces a style problem when viewing the commit logs,
however. `style.css` depends on every log message having some trailing
`<br/>`s.

Close #90
Merge branch 'development' into f.issue-90

Conflicts:
	git.go
Added color to li links.

I'm not sure why this was disabled...but for some reason
it was literally set to be black. I change it back now.

Closes #72
Merge remote-tracking branch 'origin/f.issue-90' into development
Make directory serving permissions more strict

Close #98
Serve basic error pages

Close #97
Version 0.5.10
Improve error reporting

This is a refactoring change.

Ref #102
Refactor MakeDirPage() and improve MakePage()

Ref #102
Refactor MakeGitPage()

Ref #102
Refactor MakeTreePage() and some template creation

Ref #102
Remove unused fields in templates