Element reordering and column setting changes
This reverts commit 31ee9016.
Closes #103 (closed)
Element reordering:
- Ensure that when user adds first element it is shown full size without resize handle
- when user adds second element it is shown in a split view without resize handles
- when user adds third element it is shown in two columns in a way that resize handle is visible
Column setting changes:
- Ensure that if user has three or more elements the column settings button is visible
- if user has three or more elements three column view is selectable
Tooltip:
- Display tooltip on mouseover with 'Change columns' button when it's disabled