Vim creates these scripts in test1 depending on what build features
are enabled so that tests that use these features are skiped if
necessary. Because Neovim only has one type of build (and the features
+eval, +windows, and +multi-byte are enabled in this build) they are
not necessary.

Problem:    ":let list += list" can change a locked list.
Solution:   Check for the lock earlier. (Olaf Dabrunz)

https://github.com/vim/vim/commit/1cd5e613b0d8947d52762af0e17351d5e49869de

Problem:    Various problems with locked and fixed lists and dictionaries.
Solution:   Disallow changing locked items, fix a crash, add tests. (Olaf
            Dabrunz)

https://github.com/vim/vim/commit/9bc174b69d2775b0f27ed74bf372608d18c9f3d4

Problem:    Crash when doing a range assign.
Solution:   Check for NULL poiter. (Yukihiro Nakadaira)

https://code.google.com/p/vim/source/detail?r=v7-4-541

Problem:    Whan part of a list is locked it's possible to make changes.
Solution:   Check if any of the list items is locked before make a change.
            (ZyX)

https://code.google.com/p/vim/source/detail?r=v7-4-419

Problem:    sort() is not stable.
Solution:   When the items are identical, compare the pointers.

https://code.google.com/p/vim/source/detail?r=v7-4-351

Problem:    test55 fails on some systems.
Solution:   Remove the elements that all result in zero and can end up in an arbitrary position.

https://code.google.com/p/vim/source/detail?r=v7-4-347

Problem:    sort() doesn't handle numbers well.
Solution:   Add an argument to specify sorting on numbers. (Christian Brabandt)

https://code.google.com/p/vim/source/detail?r=adc4a84f72eb44dae657af713922a6e2c1f64ae3

Move files from src/ to src/nvim/.
- src/nvim/ becomes the new root dir for nvim executable sources.
- src/libnvim/ is planned to become root dir of the neovim library.