fixed esc_urL() in get_paypal_args method
fixed the indentation in includes/gateways/paypal/class-wc-gateway-paypal.php
fixed coding standards in includes/gateways/paypal/class-wc-gateway-paypal.php
Merge pull request #4439 from claudiosmweb/fix_typos_in_paypal_gateway

Fix esc_urL() in WC_Gateway_Paypal class
Tweak form handlers since they are the same form - removed empty coupon message as a result. Closes #4362
Fix ajax naming issues Closes #4368
Meta box tips Closes #4367
correct the state field setting of Japan.

States file of JP.php has existed. So please delete this line.
Merge pull request #4441 from shoheitanaka/patch-6

correct the state field setting of Japan.
wordwrap #4397
Prevent settings loading twice
version compare needs this to function
Correct do_action arguments fix for #4359

Reverts db9d3ff0b796051b1b2629442681f99ae2493612 partially