* add context menu capability to table rows, add view switcher to preview
* add an option to limit context menu actions to the ones requested, and modify preview action to also include a view historical data action
* extend preview action into view historical data action
* add context menu to LAD Table
* add keys to context menu actions, allow tables to conditionally attach context menu handler
* working switch y axis label
* New vertical select element for Y axis configuration in plots
- CSS for vertically rotated selects for Y axis label selection;
- New theme constants;
- Removed themedSelect theme mixins;
- New SASS svgColorFromHex function;
* use keys in lad table context menu options
* show historical view context menu on alpha-numerics
* make reviewer requested changes
* pass contextual object path from object view down etc
* made reviewer requested changes: removed options object, pass in object path instead
* remove redundant function from LADRow.vue
* Implement an inspector view provider to display a component that allows setting printf format for alphanumeric items in a display layout.
* Display 'Mixed' in format input if items' formats in selection are different.
* Use lodash function to find index.
* Simplify code.
* Put the logic to disallow viewing the inspector view for multi-select in the inspector view provider as apposed to the inspector view component.
