patch 7.4.884

Problem:    Travis also builds on a tag push.
Solution:   Filter out tag pushes. (Kenichi Ito)

patch 7.4.883

Problem:    Block-mode replace works characterwise instead of blockwise after
            column 147. (Issue vim#422)
Solution:   Set Visual mode. (Christian Brabandt)

patch 7.4.882

Problem:    When leaving the command line window with CTRL-C while a
            completion menu is displayed the menu isn't removed.
Solution:   Force a screen update. (Hirohito Higashi)

patch 7.4.881

Problem:    Test 49 fails.
Solution:   Add line number to check of call stack.

patch 7.4.880

Problem:    No build and coverage status.
Solution:   Add links to the README file. (Christian Brabandt)

patch 7.4.879

Problem:    Can't see line numbers in nested function calls.
Solution:   Add line number to the file name. (Alberto Fanjul)

patch 7.4.878

Problem:    Coverity error for clearing only one byte of struct.
Solution:   Clear the whole struct. (Dominique Pelle)

patch 7.4.877

Problem:    ":find" sometimes fails. (Excanoe)
Solution:   Compare current characters instead of previous ones.

patch 7.4.876

Problem:    Windows7: when using vim.exe with msys or msys2, conhost.exe
            (console window provider on Windows7) will freeze or crash.
Solution:   Make original screen buffer active, before executing external
            program.  And when the program is finished, revert to vim's one.
            (Taro Muraoka)

patch 7.4.875

Problem:    Not obvious how to contribute.
Solution:   Add a remark about CONTRIBUTING.md to README.md