patch 8.0.0839: cannot kill a job in a terminal with CTRL-C

Problem:    Cannot kill a job in a terminal with CTRL-C.
Solution:   Set the controlling tty and send SIGINT. (closes vim#1910)

patch 8.0.0838: buffer hangs around whem terminal window is closed

Problem:    Buffer hangs around whem terminal window is closed.
Solution:   When the job has ended wipe out a terminal buffer when the window
            is closed.

patch 8.0.0837: signs can be drawn on top of console messages

Problem:    Signs can be drawn on top of console messages.
Solution:   don't redraw at a prompt or when scrolled up. (Christian Brabandt,
            closes vim#1907)

patch 8.0.0836: can abandon a terminal buffer after making a change

Problem:    When a terminal buffer is changed it can still be accidentally
            abandoned.
Solution:   When making a change reset the 'buftype' option.

patch 8.0.0835: translations check with msgfmt does not work

Problem:    Translations check with msgfmt does not work.
Solution:   Add a space before the file name.

patch 8.0.0834: can't build without the client-server feature

Problem:    Can't build without the client-server feature.
Solution:   Add #ifdef.

patch 8.0.0833: terminal test fails

Problem:    Terminal test fails.
Solution:   Update the row argument to one based.

patch 8.0.0832: terminal function arguments are not consistent

Problem:    Terminal function arguments are not consistent.
Solution:   Use one-based instead of zero-based rows and cols.  Use "." for
            the current row.

patch 8.0.0831: with 8 colors the bold attribute is not set properly

Problem:    With 8 colors the bold attribute is not set properly.
Solution:   Move setting HL_TABLE() out of lookup_color. (closes vim#1901)

patch 8.0.0830: translating messages is not ideal

Problem:    Translating messages is not ideal.
Solution:   Add a remark about obsolete messages.  Use msgfmt in the check
            script. (Christian Brabandt)