Remove unnecessary links from admin.
Do not pass context to url_for() on admin.
Hide redundant columns of tables on admin.
Squash 020-emailName.sql.
Squash 017-responseReportOriginal.sql.
Seperate non-dependent db scripts.
Squash 018-emailVariationLocales.sql.
Add state column to Subscriber table.
Do not allow null on locale.
Add a node for statistics views.
Move locale list to Email table.
Select variations while sending messages.
Add state to Email and EmailVariation tables.
Set default locale {C} for EmailVariation table.
Except no messages left for sent worker.
Add changes of version 2.0.