Merge pull request #141 from csmith/master

Minor style fixes.

common/src/main/java/com/dmdirc/parser/interfaces/ClientInfo.java

      *
      * @return int with the count of known channels
      */
-    public List<ChannelClientInfo> getChannelClients();
+    List<ChannelClientInfo> getChannelClients();
 
     /**
      * Get the away state of a user.

irc/src/main/java/com/dmdirc/parser/irc/IRCParser.java

 
         for (ChannelJoinRequest channel : channels) {
             // Make sure we have a list to put stuff in.
-            StringBuffer list = joinMap.get(channel.getPassword());
-            if (list == null) {
-                list = new StringBuffer();
-                joinMap.put(channel.getPassword(), list);
-            }
+            StringBuffer list = joinMap.computeIfAbsent(channel.getPassword(), k -> new StringBuffer());
 
             // Add the channel to the list. If the name is invalid and
             // autoprefix is off we will just skip this channel.

irc/src/main/java/com/dmdirc/parser/irc/events/IRCDataInEvent.java

 package com.dmdirc.parser.irc.events;
 
 import com.dmdirc.parser.events.DataInEvent;
-import com.dmdirc.parser.interfaces.Parser;
 import com.dmdirc.parser.irc.IRCParser;
 import com.dmdirc.parser.irc.IRCReader.ReadLine;
 

irc/src/main/java/com/dmdirc/parser/irc/processors/ProcessJoin.java

 import com.dmdirc.parser.common.QueuePriority;
 import com.dmdirc.parser.events.ChannelJoinEvent;
 import com.dmdirc.parser.events.ChannelSelfJoinEvent;
-import com.dmdirc.parser.events.DataOutEvent;
 import com.dmdirc.parser.interfaces.ChannelClientInfo;
 import com.dmdirc.parser.interfaces.ChannelInfo;
 import com.dmdirc.parser.irc.CapabilityState;
 import com.dmdirc.parser.irc.ProcessorNotFoundException;
 import com.dmdirc.parser.irc.events.IRCDataOutEvent;
 import net.engio.mbassy.listener.Handler;
-import net.engio.mbassy.listener.Invoke;
 
 import java.time.LocalDateTime;
 import java.util.Arrays;

irc/src/main/java/com/dmdirc/parser/irc/processors/ProcessMessage.java

 import com.dmdirc.parser.irc.TimestampedIRCProcessor;
 
 import java.time.LocalDateTime;
-import java.util.Date;
 import java.util.regex.PatternSyntaxException;
 
 import javax.inject.Inject;