* fix: merge conflict
* fix: restored missing set_gst_state_and_state_number function
* fix: style linting as per codacy
* fix: Fixes related to customer/lead merging
* fix: merge conflict
* fix: Fixes related to customer/lead merging
* fix: Assign isue/opportunity to user
* fix: Assign isue/opportunity to user
* fix: Replaced Invoice type by GST Category
* fix: merge conflict
* fix: merge conflict
* fix: test cases
* fix: test cases
the patch was working locally. But, in was failing on travis. The strange thing was that the patch running in travis was looking for woocommerce_settings in the path 'frappe.core.doctype.woocommerce_settings.woocommerce_settings'
(cherry picked from commit df3e8853aeedb4991e7f8b1c878adb7ba849a063)
possible fix for travis patch error "Error: No module named woocommerce_settings.woocommerce_settings)"
(cherry picked from commit a0b7ff60b8c3303a405c98eac11e71cd556ba166)