Fix invalid reST in docstrings

src/main.py

@@ -374,6 +374,7 @@ def step(*args, **kwargs):
     Performs a single iteration of the main loop.
 
     .. warning::
+
        This function should almost certainly never be called directly.  Use it
        at your own peril.  (If you do use it, you must call
        :func:`~kaa.main.init` first.)

src/net/tls/openssl.py

@@ -1933,6 +1933,7 @@ def verify(self, cert, depth, err, errmsg):
         :meth:`starttls_client`)
 
         .. note::
+
            Subclasses may override this method to implement custom verification
            behaviour, but it may be more convenient to set the
            :attr:`verify_cb` property with a callback.

src/process.py

@@ -584,14 +584,14 @@ def start(self, args=''):
         active. 
 
         .. warning::
+
            If :meth:`~kaa.InProgress.timeout` is called on the returned
            InProgress and the timeout occurs, the InProgress returned by
            :meth:`start` will be finished with a :class:`~kaa.TimeoutException`
            even though the child process isn't actually dead.  You can always
            test the :attr:`running` property, or use the
            :attr:`~signals.finished` signal, which doesn't emit until the child
            process is genuinely dead.
-
         """
         if self._child and self._state != Process.STATE_HUNG:
             raise IOError(errno.EEXIST, 'Child process has already been started')