Add meta information to hbase, bosun, scollector, opentsdb

pkgs/servers/monitoring/bosun/default.nix

@@ -33,4 +33,13 @@ in stdenv.mkDerivation rec {
     cp bosun $out/bin
   '';
 
+  meta = with stdenv.lib; {
+    description = "Time series alerting framework";
+    longDescription = ''
+      An advanced, open-source monitoring and alerting system by Stack Exchange.
+    '';
+    homepage = http://bosun.org;
+    license = licenses.mit;
+    platforms = stdenv.lib.platforms.linux;
+  };
 }

pkgs/servers/monitoring/bosun/scollector.nix

@@ -24,4 +24,10 @@ in stdenv.mkDerivation rec {
     cp scollector $out/bin
   '';
 
+  meta = with stdenv.lib; {
+    description = "Collect system information and store it in OpenTSDB or Bosun";
+    homepage = http://bosun.org/scollector;
+    license = licenses.mit;
+    platforms = stdenv.lib.platforms.linux;
+  };
 }