Better button labels for grid search widget
This is a second attempt at search widget buttons.
The create "+Add" is now "+Add Record".
The first search button becomes "New Search", and the And and Or buttons become "+ And" and "+ Or" (to hint that they add terms to the search). There are tool tips on all these buttons now
Merge pull request #373 from timrichardson/grid_search_widget_labels

Better button labels for grid search widget