Moved BJob, and JobQueue into the support kit.

* Put it in the BSupportKit namespace, following the style introduced
with the package kit for now.
* The BSupportKit::BJob class no longer knows abo

Moved BJob, and JobQueue into the support kit.

* Put it in the BSupportKit namespace, following the style introduced
with the package kit for now.
* The BSupportKit::BJob class no longer knows about the package kit's
Context class. However, the BPackageKit::BJob class does.
* Due to the namespace juggling, a lot of files had to be touched.
* The JobQueue class remains private.
* Due to the way Haiku is built on itself, you cannot build this change
under Haiku with an older release.

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Merge branch 'package-management'

Conflicts:
src/preferences/network/Jamfile

<package/Request.h>: Don't leak JobQueue into public namespace

BRequest: Add Process()

The method creates the initial jobs for the request and processes the
jobs from the job queue until empty or an error occurs.

Mostly style-related changes to package kit:
* drop 'Haiku' namespace
* rename 'Package' namespace to 'BPackageKit'
* renamed all public classes to begin with a 'B'
* renamed BPackageKit::Roster to B

Mostly style-related changes to package kit:
* drop 'Haiku' namespace
* rename 'Package' namespace to 'BPackageKit'
* renamed all public classes to begin with a 'B'
* renamed BPackageKit::Roster to BPackageKit::BPackageRoster to not
clash with the BRoster from the application kit.
* fix some instances of public headers including private ones

Some functional changes, too:
* JobQueue now removes and deletes dependants of failed jobs
automatically
* JobQueue supports waiting for jobs to become runnable
* added a couple of InitCheck() methods where they make sense
and invoke those in users of these classes



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40287 a95241bf-73f2-0310-859d-f6bbb57e9c96

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* more work on the package kit, repositories can now be added and
refreshed


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40280 a95241bf-73f2-0310-859d-f6bbb57e9c96

* added support for interactive decisions to package kit and pkgman


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40268 a95241bf-73f2-0310-859d-f6bbb57e9c96

* WIP-commit of the first parts of the package kit and the pkgman
(console-)tool


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40261 a95241bf-73f2-0310-859d-f6bbb57e9c96