Updates logic submodule. Refs #3.
Updates nimcache paths to compile project. Refs #3.

Recent compiler changes filename scheme, see
https://github.com/Araq/Nimrod/issues/852.
Alternates weight cell backgrounds. Refs #3.
Shadows same date strings with lighter color. Refs #3.
Refreshes visible cells with modifications. Refs #3.
Documents task in changes log. Refs #3.
Merge branch 'feature/t3_show_alternate_background_rows'