patch 8.0.0823: cannot paste text into a terminal window

Problem:    Cannot paste text into a terminal window.
Solution:   Make CTRL-W " work.

patch 8.0.0822: Test_with_partial_callback is a tiny bit flaky

Problem:    Test_with_partial_callback is a tiny bit flaky.
Solution:   Add it to the list of flaky tests.

patch 8.0.0821: cannot get the title and status of a terminal window

Problem:    Cannot get the title and status of a terminal window.
Solution:   Implement term_gettitle() and term_getstatus().

patch 8.0.0820: GUI: cursor in terminal window lags behind

Problem:    GUI: cursor in terminal window lags behind.
Solution:   call gui_update_cursor() under different conditions. (Ozaki
            Kiichi, closes vim#1893)

patch 8.0.0819: cursor not positioned in terminal window

Problem:    After changing current window the cursor position in the terminal
            window is not updated.
Solution:   Set w_wrow, w_wcol and w_valid.

patch 8.0.0818: cannot get the cursor position of a terminal

Problem:    Cannot get the cursor position of a terminal.
Solution:   Add term_getcursor().

patch 8.0.0817: cannot get the terminal line at the cursor

Problem:    Cannot get the line of a terminal window at the cursor.
Solution:   Make the row argunt optionsl. (Yasuhiro Matsumoto, closes vim#1898)

patch 8.0.0816: crash when using invalid buffer number

Problem:    Crash when using invalid buffer number.
Solution:   Check for NULL buffer. (Yasuhiro Matsumoto, closes vim#1899)

patch 8.0.0815: terminal window not correctly updated

Problem:    Terminal window not correctly updated when 'statusline' invokes
            ":sleep". (NIkolay Pavlov)
Solution:   Clear got_int.  Repeat redrawing when needed.

patch 8.0.0814: file in Filelist does not exist

Problem:    File in Filelist does not exist.
Solution:   Remove the line.