VOL-35 - increase batch size to 50 for log volunteer hours grid. Hopefully this is as decent hack until we figure out some paging mechanism for this widget.
Merge pull request #175 from davecivicrm/VOL-35

VOL-35 - increase batch size to 50 for log volunteer hours grid. Stopgap measure until we complete work to add rows dynamically rather than reveal a pre-defined number of hidden rows.