Onion site screenshots

Screenshots for strings added in !109 (merged).

screenshots/onion-auth-prompt.png is for

• onion-site-authentication-prompt-description
• onion-site-authentication-prompt-learn-more
• onion-site-authentication-prompt-key-input
• onion-site-authentication-prompt-remember-checkbox
• onion-site-authentication-prompt-ok-button
• onion-site-authentication-prompt-cancel-button

screenshots/onion-auth-prompt-tooltip.png is for

• onion-site-authentication-urlbar-button

screenshots/onion-auth-prompt-invalid.png is for

• onion-site-authentication-prompt-invalid-key

screenshots/onion-auth-prompt-failed.png is for

• onion-site-authentication-prompt-setting-key-failed

screenshots/site-info-onion.png is for

• page-info-onion-site-encryption-plain

screenshots/site-info-onion-https.png is for

• page-info-onion-site-encryption-with-bits

screenshots/onion-site-settings.png is for

• onion-site-authentication-preferences-heading
• onion-site-authentication-preferences-overview
• onion-site-authentication-preferences-learn-more
• onion-site-authentication-preferences-saved-keys-button

screenshots/onion-site-keys.png is for

• onion-site-saved-keys-dialog-title
• onion-site-saved-keys-dialog-intro
• onion-site-saved-keys-dialog-table-header-site
• onion-site-saved-keys-dialog-table-header-key
• onion-site-saved-keys-dialog-remove-button
• onion-site-saved-keys-dialog-remove-all-button

screenshots/onion-site-keys-failed-load.png is for

• onion-site-saved-keys-dialog-fetch-keys-error-message

screenshots/onion-site-keys-failed-delete.png is for

• onion-site-saved-keys-dialog-remove-keys-error-message