Graph tools: improve tooltips explanations
Schema edit: fix indentation
Schema edit: template fixes

Remove 'Export' button since it's already inside Tools menu.
Make 'Allowed Relationship' look like a button.
Schema edit: remove comments
Data list: fix indentation

Also make 'Allowed Relationship' look like a button
Data list: show message when no types are defined yet
Data list: Fix message when data is empty
Fix indentation
Data edit: fix columns layout
Data edit: fix icons alignment
Update Help docs
Fix indentation
Schema mend: remove 'cancel' button

The behaviour of 'cancel' is the same as the default option.
Schema edit: fix properties changes and rename variables

Only redirect to "Schema mending step" if some property is deleted
or renamed.
Schema mend: change default option and help texts
 Update Help docs
Fix template filter

Return strings instead of raw values, letting print booleans.
Visualsearch: use Sylva palette colors
Update Help docs
Import tools: add link to Help docs