Edited the account selection menu so that it can be oppened in "popup" mode, allowing similar behavior to the fluid server selection without disturbing the account selection already in place in case of an account validation failure. This new popup menu also adds a "manage accounts" button to open the settings in the same way the old account selection menu did
* First step to use Language .json file in ejs
* i18n for landing.ejs
* i18n for login.ejs
* i18n for loginOptions.ejs
* i18n for overlay.ejs
* i18n for settings.ejs
* i18n for waiting.ejs
* i18n for welcome.ejs
* langloader.js placeholder support
* i18n for landing.js
* i18n for login.js
* i18n for overlay.js
* i18n for settings.js
* i18n for uibinder.js
* i18n for uicore.js
* remove html language replacement
* use toml for i18n
* Fix mojang/microsoft status icon is undefined
* cascadable langloader
* separate lang file for customization
* move some placeholder text to _placeholder.toml
* Update
* Reduce package lock diff.
* Remove another placeholder.
* Checkbox does not require translation.
* Icons don't need translation.
* Leave placeholders inline.
* Fix translation for news pages.
* Remove more unneeded translations.
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Co-authored-by: Daniel Scalzi <d_scalzi@yahoo.com>
