Fix typos in the README file

Never use the Qt trade mark with both letters capitalized, in the form
"QT".
(http://qt-project.org/trademarkpolicy.html)

Networking improvements

Update all stack allocations of git_filebuf to use GIT_FILEBUF_INIT
and make git_filebuf_open and git_filebuf_cleanup safe to be called
multiple times on the same buffer.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

This uses the new Clay code. As you can see, the diff is minimal... It
works!

Fix typo in repository documentation

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

It can be useful to separate disconnecting from actually destroying
the object.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

A simple branchname as refspec is valid and we shouldn't throw an
error when encountering one.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

Add a next pointer to make it a linked list and add the 'pattern' and
'matching' flags.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

Make it a bit more resilient.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

There is no good reason to expose the negotiation as a different step
to downloading the packfile.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

Thanks to Emeric.

It's redundant to do this (git doesn't) and Windows doesn't allow us
to overwrite a read-only file (which objects are).

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

Do not add the `git2` path to internal includes, or that will cause
an extra path dependency.

Comes with schu's stress tests for config files. Hopefully the diffs
will stay minimal from now on.

That makes more sense to me.

Quoted the asterisk to avoid markdown highlighter confusion

refs: permissions-related fixes/improvements

This groups the #define with the other ref-related file modes, and it
makes the name consistent with the other packed-refs definitions.

This matches stock Git's behavior.

Fix docs about the command to mix the clay tests

See `global.c` for a description of what we're doing.

When libgit2 is built with GIT_THREADS support, the threading system
must be explicitly initialized with `git_threads_init()`.