"uk-ua" is absolete tag for Ukrainian translations, "uk" is correct, so removing useless translations.

* Filename cleanup
* Splitted PO files in main translation folder

- Fixed: translated node forgets its menu settings, by brucepearson, #364375
- Fixed: missing node languages for LANGUAGE_SUPPORT_EXTENDED_NOT_DISPLAYED, by Roger Lopez, #365574

- Fixed: taxonomy strings not properly synchronized (removed), by stella, #356542

- Fixed i18ntaxonomy schema mismatch (missing schema_alter), #288994

- Removed wrong version from info files, by Roger López, #319249
- Fixed help string, by Hass, #316784

Updated German translation (100% complete).

- Fixed: Sub-menu items not localized, by Anselm Heaton, #298612

- Fixed / improved some module help texts.
- Fixed multiple localization issues, by hass, #310852

- Patch to prevent query rewriting for views, by Frank Steiner, #272432
- Taxonomies not syncing, by drewish, #256357
- Menu not refreshing locales, by Frank Steiner, #263124
- User profiles not translated on registration, by gustavlarson, #248089

- Added new dependency for i18nmenu, now it works with i18nblocks

- Fixed installation issues doing operations on enable hook instead of install.

Reworked i18nmenu for Drupal 6
Fixed i18nstrings so string update returns real status value