Bump version number (again)

Author: hsonne

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: kwb.rabimo
 Title: R Implementation of Water Balance Model Abimo
-Version: 2.1.0.9000
+Version: 2.1.0
 Authors@R: c(
     person("Hauke", "Sonnenberg", , "hauke.sonnenberg@kompetenz-wasser.de", role = c("aut", "cre"),
            comment = c(ORCID = "0000-0001-9134-2871")),