#915174 by sdboyer, sun: Remove pointless files[] declarations on files that are not declaring classes.

- Patch #328357 by bleen18, sun, skilip, alanburke, jenlampton, manarth, fgm, tstoeckler: allow module .info files to add CSS/JS.

- Patch #598758 by stBorchert, sun, pwolanin, eigentor, TheRec, seutje: add link to the permissions and configuration page of each module from the module configuration page. Great team work!

#320024 by Dave Reid: Replace hardcoded drupal_required_modules() with required = TRUE in .info files.

  et al.  Can you say 'registry'?  Drupal now maintains an internal registry of
  all functions or classes in the system, allowing it to lazy-load code files as
  needed (reducing the amount of code that must be parsed on each request). The
  list of included files is cached per menu callback for subsequent loading by
  the menu router. This way, a given page request will have all the code it needs
  but little else, minimizing time spent parsing unneeded code.

- Patch #146910 by dww: only allow enabling modules with the same Drupal core compatibility version.

- Patch #81740 by merlinofchaos, webchick, moshe, neclimdul et al: added package support to the modules page.