Bugfix: Get translate actions working everywhere

These changes get us aligned with Evernote ways. We still have to port
translate action for next goal and remove our custom code.
Recover next goal translate action
Remove dead code after last commit
Use 'Needs work' instead of 'fuzzy' for user facing strings
core: Fix syntax errors on postgres
Pick 2.5.1.1 release notes
Fake staticpages initial migration only for 2.5.0

staticpages was added as legalpages in 2.5.0, so for older releases it
is necessary to run all the staticpages migrations, but for 2.5.0 the
initial migration needs to be faked.

This allows to directly upgrade without problems from releases older than
2.5.0.
Make setup command code sligthly more readable
Docs: Record upgrade fix in release notes