Use the same finlib name for dose3 as upstream
Merge pull request #1633 from samoht/dose3

Use the same finlib name for dose3 as upstream
Implement shell-style boolean values for boolean env vars

Should be 0, no or false for disabled ; 1, yes or true for enabled
Any other value triggers a warning (or do we want to blindly assume "disabled" is yes ?).

Closes #1608
dl messages: repos in blue, packages in green

Closes #1621
Rename src/scripts src/tools