Fix a whole bunch of JavaDoc problems, mostly 1.4.x 'first sentence' errors on my part

git-svn-id: https://svn.apache.org/repos/asf/xml/commons/trunk@226053 13f79535-47bb-0310-9956-ffa450edef68

java/src/org/apache/xml/resolver/readers/package.html

@@ -3,7 +3,7 @@
 <title>Apache XML Commons Resolver Readers package</title>
 </head>
 <body>
-<p>Apache XML Commons Resolver Readers package</p>
+<p>Apache XML Commons Resolver Readers package.</p>
 
 <p>This package provides the set of classes that read catalog files
 and extract catalog entries from them.</p>