vim-patch:7.4.416

Problem:    Problem with breakindent/showbreak and tabs.
Solution:   Handle tabs differently. (Christian Brabandt)

https://code.google.com/p/vim/source/detail?name=v7-4-416
Convert some values from buffer_defs.h to bools
Merge pull request #1345 from war1025/dev/wininfo_bools

Convert some values into bools
vim-patch:7.4.417

Problem:    After splitting a window and setting 'breakindent' the default
            minimum with is not respected.
Solution:   Call briopt_check() when copying options to a new window.

https://code.google.com/p/vim/source/detail?r=v7-4-417
Merge pull request #1283 from splinterofchaos/breakindent-tab

vim-patch:7.4.416 + vim-patch:7.4.417
vim-patch:7.4.421

Problem:    Crash when searching for "\ze*". (Urtica Dioica)
Solution:   Disallow a multi after \ze and \zs.

https://code.google.com/p/vim/source/detail?r=v7-4-421
vim-patch:7.4.437

Problem:    New and old regexp engine are not consistent.
Solution:   Also give an error for "\ze*" for the old regexp engine.

https://code.google.com/p/vim/source/detail?r=v7-4-437
Merge #1322 'vim-patch:7.4.421 + vim-patch:7.4.437'