WC API: can generate API keys for different user than the one that is making request
Check wc_checkout_params.is_checkout against string '1' instead of int 1

This was causing `’init_checkout’` not to be triggered on page load. I
noticed this when the taxes for an order weren’t being shown on the
checkout page until changing the billing address.

Introduced in b85b1ab03bd5974bf2fa7ae01580faff49b2559e
Fix: additional-information.php
- Do not display empty <h2> tag
- Removed unused globals
- WP code style
Use is_ssl() for get_woocommerce_api_url()

When accessing the API over OAuth for a site that has the checkout
forced over SSL, the OAuth string to sign is incorrect. This fixes that
by checking whether the current request is SSL when returning the api
URL
updating coupon email restriction tool tip
Merge pull request #5249 from BFTrick/coupon-email-restriction

Clarifying The Coupon Email Restriction Tool Tip
Merge pull request #5248 from maxrice/master

Use is_ssl() for get_woocommerce_api_url()
Merge pull request #5236 from JDGrimes/master

Check wc_checkout_params.is_checkout against string '1' instead of int 1
Chunk option names in cleanup_sessions() Closes #5225
Ensure _order_currency is set. Closes #5232
Update html-admin-page-status-report.php

Use `$wpdb->db_version()` instead of `mysql_get_server_info()` deprecated in PHP 5.5
Allow filtering order statuses in dashboard reports widget
using spaces after text
adding spaces after text for title in local delivery
myaccount registration added check for auto generate password option
Change \WC_Order::add_order_note cap to edit_shop_order instead of manage_woocommerce
code standards
API: normalize both key and value before calculating OAuth signature

The OAuth spec indicates that the full query string should be URL
encoded. The array_walk method does not change keys so when used with a
parameter like `filter[period]=week`, the key is not properly encoded.
This fixes that by properly encoding both the key and value.
API: double-encode percent symbols when normalizing parameters
Added is_paying_customer() to easily check if a user is a WC customer:

Usage:

`
$customer = new WC_Customer();
$out      = 'Paying customer ? ';

if( $customer->is_paying_customer( 10 ) ) {
	$out .= "yes";
} else {
	$out .= "no";
}

echo $out;
`