Merge pull request #419 from gogolander/test

Enhancements
Merge pull request #420 from gogolander/test

new messages for emails
Merge pull request #421 from gogolander/test

Better usability
Merge pull request #423 from gogolander/test

update
Merge pull request #424 from gogolander/test

back arrows
Style modification of file shortcut-lua, insert new button for add new user
Merge pull request #425 from panseo/test

Style modification of file shortcut-lua, insert new button for add new u...
New phsases bar for wizard
Merge pull request #426 from panseo/test

New phsases bar for wizard
Refactoring welcome page and insert new icon
Merge pull request #427 from panseo/test

Refactoring welcome page and insert new icon
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