Update OpenTSDB documentation (2.2.0)

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -311,7 +311,7 @@ credits = [
     'https://raw.githubusercontent.com/npm/npm/master/LICENSE'
   ], [
     'OpenTSDB',
-    '2010-2015 The OpenTSDB Authors',
+    '2010-2016 The OpenTSDB Authors',
     'LGPLv2.1',
     'https://raw.githubusercontent.com/OpenTSDB/opentsdb.net/gh-pages/COPYING.LESSER'
   ], [

lib/docs/scrapers/opentsdb.rb

@@ -2,7 +2,7 @@ module Docs
   class Opentsdb < UrlScraper
     self.name = 'OpenTSDB'
     self.type = 'sphinx_simple'
-    self.release = '2.1.0'
+    self.release = '2.2.0'
     self.base_url = 'http://opentsdb.net/docs/build/html/'
     self.root_path = 'index.html'
     self.links = {
@@ -15,7 +15,7 @@ module Docs
     options[:skip] = %w(genindex.html search.html)
 
     options[:attribution] = <<-HTML
-      &copy; 2010&ndash;2015 The OpenTSDB Authors<br>
+      &copy; 2010&ndash;2016 The OpenTSDB Authors<br>
       Licensed under the GNU LGPLv2.1+ and GPLv3+ licenses.
     HTML
   end