* 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
* prevent default on dragover in dropHint, to allow drop event to fire
* add notebook snapshot to preview
* fix for preview image overlay
* pin fast-sass-loader version to 1.4.6
* fix saveAs in plot image export
* fix elements search in inspector
* fix current Search error
* fix anonymous render error in layout
* navigate and edit on create
* remove domainObjects from composition when deleting frames and containers, and also fix a bug whereby a user can add domainObject via drag and drop(composition) but because of the lack of containers, it will not be added to the flexible layout
* fix index undefined error when reordering containers
* throw an error when user cancels instead of returning false
* fixes for toolbar not updating on selection change
* fix errors when objects without context are returned by the search aggregator
* prompt user before cancelling edit
* check transactions before prompting user
* add save and continue editing option to save menu
* prompt user if in edit mode and is navigating away
* Preview instead of navigate when in edit mode.
* Prevent preview of navigated object
* Removed trailing comma
* Observe navigation from tree items instead of mct-tree
* Cleanup of redundant code
* .is-selected -> .is-navigated-object
