changed VM handler hideColumn to toggleColumn
changed VM hideLabTransitColumn to actionsColumnVisible
school unit grid toolbar action handlers cleaned up
fixed tooltips in LabsViewVM, SchoolUnitsVM, SearchVM
school_unit_parameters attr in ScoolUnitsVM, unused -> removed
modified according to the others window templates
refactoring in SearchVM
toolbar statistics position changed, inside school units nested grid
StatisticsVM handlers changed names
Merge branch 'submitRemoveLabFeature' of https://github.com/teiath/mylab into submitRemoveLabFeature