Bump version to 0.19-SNAPSHOT
Bump version to 0.19-SNAPSHOT

xfumihiro/mortar,takn/mortar,georgelin422/mortar,square/mortar,SpenceAcc/mortar,Anusha-M/mortar,vignesh-iopex/mortar,DmitriyZaitsev/mortar,venkatesh3007/mortar