tests: add more complete test for status changes on amend This demonstrates that missing/untracked files are handled incorrectly. The correct outputs are suppressed by (false !), and wrong outputs are added with (true !) instead. The setup code is copied from test-status-rev.t.

hgweb: add missing semicolons to followlines.js Minor stylistic issues caught by jshint.

gitweb: apply styles from annotate tooltip to followlines popup These new colors and styles are already used in the tooltip that gets shown when user hovers over line numbers on annotate page. The old styles, replaced in this patch, look completely unrelated to gitweb or any other hgweb theme.