Picking screen get block when there are large number of records to process

Test Case:
1. Go to facility -> Picking (https://localhost:8443/facility/control/PicklistOptions?facilityId=WebStoreWarehouse)
2. Enter the number of order you want to group in 'Group first' text box. (Default value is 50 orders)
3. Click on Submit button.

Expected Result: On submitting, number of orders grouped should be equal to number of orders specified in the 'Group first' text box.

Manage Picklist screen get block when there are large number of records to process

Out of stock products screw up the pagination during category browsing

1. Set 'showOutOfStockProducts' flag in ProductStore entity to 'N'
2. Make some products of any category 'Out Of Stock' by reducing inventory and set it to zero

Test case for ecommerce store:

1. Go to ecommerce http://localhost:8080/ecommerce/control/main
2. Browse products by clicking 'Categories' from left nav
3. Observe the counts of pagination and actual products display

Expected Result: Pagination count and number of products display should be same

Test case for ordermgr:

1. Go to ordermgr -> Order Entry (https://localhost:8443/ordermgr/control/orderentry)
2. On 'Add To Order' page of sales order creation page
3. Select products to add by selecting 'Browse Categories' from left nav.
4. Observe the counts of pagination and actual products display

Expected Result: Pagination count and number of products display should be same

OFBIZ-5769

web.xml: empty allowPaths init param causes NPE

OFBIZ-5739

copyContentAndElectronicTextandAssoc service broken

Steps to regenerate issue:

• Go to webtools/runService (http://demo-stable-ofbiz.apache.org/webtools/control/runService)
• Enter the serviceName (copyContentAndElectronicTextandAssoc)
• Pass the contentId that have ElectronicText (100-ALT)
• Click on submit
• You will get error.

Actual Result: Error occurred after submit the form
Expected Result: New content should be created with related electronicText and contentAssoc.

Some Payment Settings options at ordermgr/control/finalizeOrder disappear if Continue is clicked without selecting a payment

Steps to Regenerate:
1. Go to ordermgr and select Order Entry
2. Create order and continue till payment setting in finalize order flow.
3. Click on continue without selecting any peyment method.
4. Page will be shown with error "Please select a method of payment". Some of payment methods disappears.

Expected Result:
All payment methods should be available which were there before.