Fix French and Danish translations for core update
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Removed old and outdated todo.txt

This was lost in 0f2737f8

While several plugins implemented the interface under the old name, only core was checkcasting it.

[FIXED JENKINS-16278] Fixed RememberMe cookie signature generation (bugfix on SECURITY-49)
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At this time the target project is unset so it has no known type and we just have to assume the threshold is valid.

First, display instructions when the user has CONNECT, not necessarily ADMINISTER.
Second, when anonymous users cannot CONNECT, show how to use -jnlpCredentials
(and do not bother showing javaws, since it does not work in this case).