v1.3.2.18 CLEAN: keyword replaced by concept to avoid NOTE during CRAN check

DESCRIPTION

 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.3.2.17
-Date: 2019-06-12
+Version: 1.3.2.18
+Date: 2019-06-19
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
   person("Olivier", "Delaigue", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-7668-8468"), email = "airGR@irstea.fr"),

NEWS.rmd

@@ -14,7 +14,7 @@ output:
 
 
 
-### 1.3.2.17 Release Notes (2019-06-12)
+### 1.3.2.18 Release Notes (2019-06-19)
 
 
 #### New features

man/airGR.Rd

@@ -61,4 +61,8 @@ For more information and to get started with the package, you can refer to the v
 
 }
 
-\keyword{hydrology, model, efficiency criterion, calibration, GR4J}
+\concept{hydrology}
+\concept{model}
+\concept{efficiency criterion}
+\concept{calibration}
+\concept{GR4J}