Code review comment for lp://staging/~deryck/launchpad/not-bugs-on-but-bugs-in-424488

This is a very small branch to change the language used in the
breadcrumbs for bugs. Instead of "Bugs on malone" the breadcrumb will
now read "Bugs in malone". See bug 424488.

= Launchpad lint =

Checking for conflicts. and issues in doctests and templates.
Running jslint, xmllint, pyflakes, and pylint.
Using normal rules.

Linting changed files:
  lib/lp/soyuz/stories/packaging/package-pages-navigation.txt
  lib/lp/bugs/browser/bugtarget.py
  lib/lp/bugs/stories/bug-release-management/nomination-navigation.txt
  lib/lp/bugs/stories/bugs/xx-bug-activity.txt