- Ch "Packaging Practices" rewritten intro

- Ch "Packaging Practices" rewritten intro
- Sec "Packaging tools and common cases" renamed to "Best Practices
  for debian/rules", and write an intro
- Sec "Helper scripts" in practices section rewritten, giving
  arguments for and against debhelper, mostly for :)
- Sec "Package with multiple patches" renamed to "Patching source
  versus patching at build time" and rewritten
- Sec "Multiple binary packages" rewritten
- Sec "Handling debconf translations" moved under an
  "Internationalization" section, and some edits
- Sec "Internationalized Documentation" added under Sec
  "Internationalization"
- Sec "Specific packaging practices" renamed to "Common Situations"
- Sec "Packages using autoconf/automake" rewritten
- Sec "Configuration management" moved forward in practices chapter

git-svn-id: svn://anonscm.debian.org/ddp/manuals/trunk/developers-reference@1955 313b444b-1b9f-4f58-a734-7bb04f332e8d