(Intertwined enough that's it's easier to do in one patch.)

(1) /dev/es did not support state save, which could cause crashes and
    incorrect behavior after loading.

(2) NANDContentLoader tried to read all of a title's contents into
    memory when it was first opened.  Two issues:

- If any contents were missing, it bailed out.  However, with DLC,
  only some of the contents may be downloaded, as determined by the
  permission bits in the ticket.  Instead, return an appropriate error
  when a content is accessed that doesn't exist on the filesystem
  (don't bother checking the permission bits though).

- Everything was loaded into memory - even if it consisted of 3 GB of
  songs, which caused Dolphin to lag out for quite a while (and would
  fail on 32-bit).  Instead, open content on demand.

- Also killed off some trailing spaces/tabs.

- Updated the license header to be consistent with the rest of the project (All projects are now done moving over to this)

- Also, killed some dangling else's (where appropriate)

Now all the tab fixing is done. No more of this crap should be needed to be pushed. Rejoice!

Also, some tab/space mismatches removed from VideoOGL, and some places I missed in VideoDX[number] projects.

Now, the Core is literally the only project with tab/space mismatches (on a large scale).

Keeps the files consistent.