Bump version to 0.0.19

Overview of changes:

 *  Added missing make build dependency

mkit.ini

 [project]
-    version     = 0.0.18
+    version     = 0.0.19
     name        = imapdomo
     pkgname     = imapdomo
     maintainer  = Alois Mahdal <netvor+imapdomo@vornet.cz>