* less buttons on step 1
* add form-group
* jump to next step as link not as button
* improve navigation bar HTML structure
* sync password-show button with extra.js
* fix CSS
* i18n: step 4: split text strings for help text (max chars default user)
* show menu button if mobile view
* improve header layout with empty div
* step 5: button in form-actions
* improve buttons in goup-controls
* Favicon added
* Button: Font color hover btn-attention
* install check step: add subtitles
* fix .btn
* improve tabindex
* improve showPW_this()
* Update Travis line length
* Also check whitespace in CSS files
* Fix line length ext.php
* More syntax, string templates
* Fix exclude-pattern
* Test JS files as well