Added Eclipse project files.
No need for 'wp-' prefix, we only use this on GitHub repository names.
No need to add 'WP' in front of plugin name.
WooCommerce with capital C.
Make sure that all plugins are loaded before including files who use other plugin classes (for example WC_Integration).
WordPress Coding Standards optimizations.
addition of default array value to the options.
Requires the Woocommerce/WooCommerce class before registering the other hooks and loading the other classes.  The reason for the OR is because in the recent version in woocommerce, the case changed. https://github.com/woothemes/woocommerce/commit/a90b9c5df5dbb1482cbfef01c5c3001de26d7093#L1L22  

#fixes 3
Support for text domain.

fixes #4
checks if discount or shipping actually exists before adding the lines.
updated naming to WooCommerce.

fixes: #5
Renamed text domain to 'woocommerce_twinfield'.
Revert "Renamed text domain to 'woocommerce_twinfield'."

This reverts commit 2d0d8066425dfb31da32a85293b25cd9056151ba.
Added Dutch translations.
removed extra object cache. get_option already does this. fixes #14
Merge branch 'develop' of github.com:pronamic/wp-woocommerce-twinfield into develop
uses more abstract naming for the invoice and customer id meta keys. fixes #13
update to support editable invoice id. fixes #12
renamed metabox. fixes #11
removed old metabox stuff. now part of wp-twinfield.
updates to support the now parent plugin way.