Merge pull request #2022 from FinalAngel/develop

fixes an issue where copy paste into another language isn't working
simplify admin menu
Merge pull request #2023 from digi604/menu-fix

simplify admin menu
heavily reducing the copy plugins code
tests
Merge pull request #2024 from digi604/fix-copy

Fix copy plugins
fixed parent_id for copy plugins to be working
undo fix
Merge pull request #2025 from digi604/fix-copy

Fix copy
remove twitter and wymeditor references from readme
Merge pull request #2032 from FinalAngel/feature/fixes

Frontend UI enhancements and minor fixes
Reword filer instructions in tutorial
Merge pull request #2034 from yakky/feature/doc_tutorial

Reword filer instructions in tutorial
Fix #1840
updated locales
updated locales
beta2
Fixed menu documentation removing outdated information
Fix errors in plugins migrations
Add test for #1208
Switch to `redirect_to_login` native django function (available in all support django versions)