Fix javadoc

Author: slandelle

client/src/main/java/org/asynchttpclient/filter/ReleasePermitOnComplete.java

@@ -20,6 +20,7 @@ public class ReleasePermitOnComplete {
      * 
      * @param handler the handler to be wrapped
      * @param available the Semaphore to be released when the wrapped handler is completed
+     * @param <T> the handler result type
      * @return the wrapped handler
      */
     @SuppressWarnings("unchecked")

client/src/main/java/org/asynchttpclient/uri/Uri.java

@@ -135,7 +135,7 @@ public String toUrl() {
     }
 
     /**
-     * @return <scheme>://<hostname>(:<port>). Port is ommitted if it matches the scheme's default one.
+     * @return [scheme]://[hostname](:[port]). Port is omitted if it matches the scheme's default one.
      */
     public String toBaseUrl() {
         StringBuilder sb = StringBuilderPool.DEFAULT.stringBuilder();