hgweb templates: Don't word wrap "foo bar ago" (e.g. "3 months\nago")
This made log entries or hgwebdir index look ugly with certain browser widths.
1:016807e6fdaf
0:eb43f19ff115
016807e6fdaf tip
eb43f19ff115
eb43f19ff115+
reverting file1
? file1.orig
eb43f19ff115
? file1.orig
016807e6fdaf tip
merging file1
? file1.orig
016807e6fdaf tip
? file1.orig
016807e6fdaf tip
? file1.orig
016807e6fdaf tip
? file1.orig
016807e6fdaf tip