Change NuGet Package id and add new tags

Author: Snipx

pdfSweep.nuspec

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
-    <id>itext.cleanup</id>
+    <id>itext7.pdfsweep</id>
     <version>$version$</version>
     <title>iText 7 pdfSweep</title>
     <authors>iText Software</authors>
@@ -15,7 +15,7 @@
     <releaseNotes>http://itextpdf.com/itext7release</releaseNotes>
     <copyright>Copyright (c) 1998-2016 iText Group NV</copyright>
     <language>en-US</language>
-    <tags>itext itextsharp c# .net csharp pdf cleanup</tags>
+    <tags>itext itext7 itextsharp c# .net csharp pdf cleanup pdfsweep</tags>
 	<dependencies>
       <dependency id="itext" version="7.0.1.0" />
     </dependencies>