Remove the issues and procedures pages as they are
being migrated to the charm-guide.
Some links need to be changed as a consequence.
Add HTML redirects (and tests) for the more important
pages. A previous redirect was only modified as it was
put into place only very recently.
Depends-On: Iba9231ba501253692acba9f059a913b54226cb5e
Change-Id: Ifd70efb85eba841dd74e8d0b453d8f63f81c16e0