removing observer to improve performance
fix mixin for muliple call on sell
Merge pull request #195 from PrimeRevenue/bug/large_grid_performance

removing observer to improve performance
Merge pull request #196 from PrimeRevenue/bug/grid_no_records

fixed removal of message  'no records to display' on any action on jqGrid while data is available
Merge pull request #197 from PrimeRevenue/bug/fix_mixin_for_muliple_call_on_sell

Fix mixing for multiple call on sell
Adding performance test page.
Speed improvements for Editable grids and selectall/clearall
Improved performance of getItemFromModel()
editable cell click handler moved to tent
Fix for broken new collections
Update grid after clearing
Merge pull request #198 from PrimeRevenue/test/performance

Test/performance
Prevent scrollTop when large grid
Disable focus for the moment as it hits performance.
Merge pull request #199 from PrimeRevenue/test/performance

Prevent scrollTop when large grid
Fixing unit tests
change selection no longer validates
Footer insertion causes content to resize
Merge pull request #201 from PrimeRevenue/bug/footer_overlaps_content

Footer insertion causes content to resize
Merge pull request #200 from PrimeRevenue/test/performance

Test/performance