Added nestingDepth rule.

Signed-off-by: matematik7 <domen.ipavec@z-v.si>
Added opening and closingBraces rules.

Signed-off-by: matematik7 <domen.ipavec@z-v.si>
Added onePropertySingleLine rule.

Signed-off-by: matematik7 <domen.ipavec@z-v.si>
Fixed onePropertySingleLine rule.

Signed-off-by: matematik7 <domen.ipavec@z-v.si>
Added rules for newline in properties and selectors.

Signed-off-by: matematik7 <domen.ipavec@z-v.si>