javadoc fixes

src/java/net/i2p/i2pcontrol/security/SecurityManager.java

@@ -139,7 +139,7 @@ public class SecurityManager {
     /**
      * Hash input one time with SHA-256, return Base64 encdoded string.
      * @param string
-     * @return
+     * @return Base64 encoded string
      */
     public String getHash(String string) {
         SHA256Generator hashGen = _context.sha();

src/java/net/i2p/i2pcontrol/servlets/configuration/ConfigurationManager.java

@@ -200,7 +200,7 @@ public class ConfigurationManager {
     /**
      * Set a specific string setting
      * @param settingName
-     * @param string
+     * @param str
      */
     public synchronized void setConf(String settingName, String str) {
         stringConfigurations.put(settingName, str);
@@ -210,7 +210,7 @@ public class ConfigurationManager {
     /**
      * Set a specific boolean setting
      * @param settingName
-     * @param boolean
+     * @param bool
      */
     public synchronized void setConf(String settingName, boolean bool) {
         booleanConfigurations.put(settingName, bool);