add keywords to description, update codemeta file

DESCRIPTION

@@ -27,3 +27,6 @@ Suggests:
     knitr,
     testthat
 RoxygenNote: 6.0.1
+X-schema.org-applicationCategory: Databases
+X-schema.org-keywords: database, Elasticsearch, HTTP, API, search, NoSQL, Java, JSON, documents
+X-schema.org-isPartOf: https://ropensci.org

codemeta.json

@@ -1,20 +1,23 @@
 {
-  "@context": ["http://purl.org/codemeta/2.0", "http://schema.org"],
+  "@context": [
+    "http://purl.org/codemeta/2.0",
+    "http://schema.org"
+  ],
   "@type": "SoftwareSourceCode",
   "identifier": "elastic",
   "description": "Connect to 'Elasticsearch', a 'NoSQL' database built on the 'Java'\n    Virtual Machine. Interacts with the 'Elasticsearch' 'HTTP' 'API'\n    (<https://www.elastic.co/products/elasticsearch>), including functions for\n    setting connection details to 'Elasticsearch' instances, loading bulk data,\n    searching for documents with both 'HTTP' query variables and 'JSON' based body\n    requests. In addition, 'elastic' provides functions for interacting with 'APIs'\n    for 'indices', documents, nodes, clusters, an interface to the cat 'API', and\n    more.",
   "name": "elastic: General Purpose Interface to 'Elasticsearch'",
   "codeRepository": "https://github.com/ropensci/elastic",
   "issueTracker": "https://github.com/ropensci/elastic/issues",
   "license": "https://spdx.org/licenses/MIT",
-  "version": "0.8.1.9116",
+  "version": "0.8.2.9325",
   "programmingLanguage": {
     "@type": "ComputerLanguage",
     "name": "R",
-    "version": "3.4.3",
+    "version": "3.4.4",
     "url": "https://r-project.org"
   },
-  "runtimePlatform": "R version 3.4.3 Patched (2018-01-01 r74017)",
+  "runtimePlatform": "R version 3.4.4 Patched (2018-03-19 r74426)",
   "provider": {
     "@id": "https://cran.r-project.org",
     "@type": "Organization",
@@ -122,5 +125,8 @@
   "contIntegration": "https://travis-ci.org/ropensci/elastic",
   "releaseNotes": "https://github.com/ropensci/elastic/blob/master/NEWS.md",
   "readme": "https://github.com/ropensci/elastic/blob/master/README.md",
-  "fileSize": "668.417KB"
+  "fileSize": "670.84KB",
+  "applicationCategory": "Databases",
+  "isPartOf": "https://ropensci.org",
+  "keywords": ["database", "Elasticsearch", "HTTP", "API", "search", "NoSQL", "Java", "JSON", "documents"]
 }