Add a command to allow managing the upstream tree. This is very basic
so far, only allowing setting the name and URL. Further work may allow
checking whether series apply cleaning on the upstream tree, etc.

Signed-off-by: Simon Glass <sjg@chromium.org>

Add a command to support management of series. These are local branches
which may have been sent to the mailing list, so may appear on the
patchwork server.

The new functionality uses a database, stored in a local file.

Various operations are supported:
   - add a new series
   - send a series and automatically link it with patchwork
   - 'increment' the version, to prepare to send an updated series
   - gather review/test tags from patchwork
   - check on progress, i.e. patches which are received new tags or
     comments
   - show comments on patches and cover letters

Signed-off-by: Simon Glass <sjg@chromium.org>

Add a command to allow setting and getting the patchwork project. This
is needed so that patman can use the correct ID when talking to the
patchwork server.

To support testing, allow passing in the test database, patchwork
object and Cseries object. Fake versions can then easily be provided for
certain test cases.

Signed-off-by: Simon Glass <sjg@chromium.org>

Update Series with a way to better manage the Series-links lines in
patches. Use this in the 'status' subcommand instead of the existing
primitive method of expecting a link without a version prefix.

Signed-off-by: Simon Glass <sjg@chromium.org>

The func_test file is quite large. In order to allow new tests to be
added to a separate file, move the common test code into a separate
class, to be inherited by other classes.

Drop unnecessary imports in func_test

Signed-off-by: Simon Glass <sjg@chromium.org>

This is the help for the whole of patman, so move it to the start of the
control function, rather than being inside 'patman send'.

Signed-off-by: Simon Glass <sjg@chromium.org>

The gitutil module is supposed to be independent from patman but one
piece was missed in the series which separated them.

Move the settings setup out of gitutil

Signed-off-by: Simon Glass <sjg@chromium.org>

Patman normally sends multiple concurrent requests to the patchwork
server, as this is faster. Provide an option to disable this.

Signed-off-by: Simon Glass <sjg@chromium.org>

Instead of passing the URL and function to each call, put the fake
into the Patchwork object instead.

Signed-off-by: Simon Glass <sjg@chromium.org>

This function actually shows the status and does some other things.

Rename it to better reflect its purpose.

Signed-off-by: Simon Glass <sjg@chromium.org>