patch 8.0.1274: setbufline() fails when using folding

Problem:    setbufline() fails when using folding.
Solution:   Set "curwin" if needed. (Ozaki Kiichi, closes vim#2293)

patch 8.0.1273: old test file remaining

Problem:    Old test file remaining.
Solution:   Delete it.

patch 8.0.1272: warnings for unused variables in tiny build

Problem:    Warnings for unused variables in tiny build.
Solution:   Add #ifdef. (Dominique Pelle, closes vim#2288)

patch 8.0.1271: still too many old style tests

Problem:    Still too many old style tests.
Solution:   Convert a few more tests to new style. (Yegappan Lakshmanan,
            closes vim#2290)

patch 8.0.1270: mismatching file name with Filelist

Problem:    Mismatching file name with Filelist.
Solution:   Rename color_ramp.vim to xterm_ramp.vim

patch 8.0.1269: effect of autocommands on marks is not tested

Problem:    Effect of autocommands on marks is not tested.
Solution:   Add a couple of tests. (James McCoy, closes vim#2271)

patch 8.0.1268: PC install instructions are incomplete

Problem:    PC install instructions are incomplete.
Solution:   Update the instructions. (Ken Takata)

patch 8.0.1267: Test_swap_group may leave file behind

Problem:    Test_swap_group may leave file behind.
Solution:   Add a try/finally.

patch 8.0.1266: Test_swap_directory was commented out

Problem:    Test_swap_directory was accidentally commented out.
Solution:   Uncomment the test.

patch 8.0.1265: swap test not skipped when there is one group

Problem:    Swap test not skipped when there is one group.
Solution:   Convert list to string for the message.