Merge pull request #2835 from smeup/fix-version-snapshot

updated yarn.lock

package.json: set ketchup library dependency set to tagged "snapshot"

Merge pull request #2833 from smeup/refactor/objk

minor fix

minor fix

fix dependencies version

set version 12.0.0-SNAPSHOT

fix showcase dependency

Merge branch 'develop' into refactor/objk

Merge pull request #2830 from smeup/cal-formula

kup-calendar: fix totals notnumeric values. Added MAX and MIN formulas

kup-calendar: showcase totals prop management

kup-calendar: totals prop management

Showcase refactoring