Description of problem:
If a group/dynagroup contains more then 50 resources, some of them will not be listed in the sequential execution list as this list is limited to 50 resources.

Version-Release number of selected component (if applicable):
RHQ 4.12

How reproducible:
Always

Steps to Reproduce:
1. Start RHQ;
2. Create a group that contains more then 50 resources;
3. In RHQ UI -> navigate to Inventory -> All Groups -> select the name of the group with more then 50 resources -> Operations -> press New button -> select an Operation (from the Operation drop down list) -> select "in the order specified below..." for Execute -> check listed resources in the Member Resource list.

Actual results:
Only 50 resources are listed

Expected results:
All resources are listed

Additional info: