Clarify that languageforge.org is Language Depot

[papeh]

and update localization notes.

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This change is 

[github-actions[bot]]

Test Results

       6 files   -        4     321 suites   - 122   56m 48s :stopwatch: - 30m 6s    956 tests  -      17     897 :heavy_check_mark:  -      21    59 :zzz: +  4  0 :x: ±0  3 090 runs   - 1 100  2 942 :heavy_check_mark:  - 1 045  148 :zzz:  - 55  0 :x: ±0 

Results for commit 27c84c25. ± Comparison against base commit 12ec3296.

This pull request removes 17 tests.

``` After2Syncs_HistoryHas2 After2Syncs_WithFilter_OnlyFilteredItemsShown AsyncLocalCheckIn_GivesGoodResult AsyncLocalCheckIn_NoHgLockWarningWithMultipleWorkers AsyncLocalCheckIn_NoPreviousRepoCreation_Throws BeforeAnySyncing_EmptyHistory CanMakeNotesBarWithOtherFiles CanShowNotesBar CreateNotesBar GetRepositoriesToList_NoRepositoriesKnown_GivesUsb … ```

This pull request skips 4 tests.

``` CanShowNotesBrowserPage CreateNotesBrowser GetNotesBarAndBrowser_MakeNewAnnotationWithBar_BrowserSeesIt Main_Utf8FilePaths_FileNamesOk ```