v1.0.13.6 CLEAN: typo in NEWS.rmd file and remove unused NEWS.html file

DESCRIPTION

 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.0.13.15
-Date: 2018-08-31
+Version: 1.0.13.16
+Date: 2018-09-24
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
   person("Charles", "Perrin", role = c("aut", "ths"), comment = c(ORCID = "0000-0001-8552-1881")),

NEWS.rmd

@@ -14,7 +14,7 @@ output:
 
 
 
-### 1.0.13.15 Release Notes (2018-08-31) 
+### 1.0.13.16 Release Notes (2018-09-24) 
 
 
 #### Deprectated and defunct
@@ -32,7 +32,7 @@ output:
 
 - <code>CreateCalibOptions()</code> now returns an error when all the parameters are set and a warning message when all the parameters are not set <code>FixedParam</code> in the <code>FixedParam</code> argument.
 
-- <code>CreateInputsCrit()</code> now returns an error when <code>epsilon</code is not positive.
+- <code>CreateInputsCrit()</code> now returns an error when <code>epsilon</code> is not positive.
 
 - <code>CreateInputsCrit()</code> now returns a warning message if there are zeroes values in <code>Qobs</code>, <code>epsilon = NULL</code> and <code>transfo = log</code> or <code>inv</code>.