Fix some issues with Currency code for NPR

NRP was typo mistake so found the bug and fix. I have send pull for this Nepali currency previously.
Fix with $ for Colombian Peso

No symbol shown in Currency Settings selection so ;)
Fix indendation :heart:
added methods to dynamically get the address fields in WC_Checkout::create_order(), closes #6226
fixed the filling of the shipping fields in WC_Checkout::create_order()
Minor Fix: Fixed Product Tag Arguments

Product Tags are labeled as non-hierarchical, but they are labeled with hierarchical labels instead of non-hierarchical labels. On the back-end everything shows up and works as intended. WordPress just ignores the mislabeled args and uses the correct ones by default. Always good to follow register_taxonomy() args :p.
If a refund fails, delete refund post.

Fixes #6238
Added woocommerce_get_settings_ID filters.

Closes #6231
Fixing typo with get_error_message being referenced as a property
fixed wc_get_order_status_name() appear as wc 2.1 order status
Checking password reset key using phpass
Readme for #6243
Update template version in form-shipping

#6225
Readme update
Delete HZ.php

This is the New Zealand states, labeled as HZ. 

The correct file is still there, labeled as NZ, and that's the file that is called in WooCommerce.
Created method for install the translations directly

This will download the package directly from Github and install using
WP_Filesystem()

@mikejolley
Improved the translation update messages

When is multisite shows only the button for download directly
If not is multisite will show the button for make the download with the
WordPress update system and the button to download directly
And added a new button to hide the update message

@mikejolley