Merge pull request #186 from ldecicco-USGS/master

Update NEWS and version

.Rbuildignore

+.Rhistory
 vignettes/figure
 appveyor.yml
 .travis.yml

DESCRIPTION

 Package: dataRetrieval
 Type: Package
 Title: Retrieval Functions for USGS and EPA Hydrologic and Water Quality Data
-Version: 2.5.1
-Date: 2016-02-26
+Version: 2.5.2
+Date: 2016-03-04
 Authors@R: c( person("Robert", "Hirsch", role = c("aut"),
     email = "rhirsch@usgs.gov"),
     person("Laura", "DeCicco", role = c("aut","cre"),

NEWS

+dataRetrieval 2.5.0
+==========
+* Package httr is now used for web service retrievals
+
 dataRetrieval 2.4.0
 ==========
 * Package readr now used for tab delimited parsing