Fix admin/shop views

[panigrc]

Added

• shipping_tpl.php in greek.
• company_tpl.php in greek.
• secure_tpl.php in english and german.
• Extract type parameter to extract() function.
• Strict comparisons === instead of == or !== instead of !=.
• All menu items in home_tpl.php.
• Variable definitions.
• Form labels.

Changed

• Arrays with shorthand syntax [].
• Inline if to block style.
• $lang with $this->language_library->get_language().
• Font family fallback.
• Concatenation with sprintf where needed.
• Double quotes with single where needed.
• Suppression with @ were replaced by ternary operator ?? and default value.
• All spaces into tabs.

Removed

• credits_tpl.php this template isn't being used anymore.
• suggest_tpl.php this template isn't being used anymore.
• search_tpl.php this template isn't being used anymore.
• product_type_num_tpl.php this template isn't being used anymore.
• Example Texts.
• Unnecessary white spaces and new lines.
• Unnecessary units in css styles.
• Unneeded semicolons in short open tags.
• Deprecated table properties cellspacing & cellpadding.

Fixed

• Translation of texts.
• Indentation.