New log system

What I've done:
============
<ul>
<li>Logs are now stored under baseDir/Logs/</li>
<li>Logs are stored as ATLauncher-Log_date.log</li>
</ul>
Where date is SimpleDateFormat("yyyy-MM-dd_HH-mm-ss")
Advantages
============
<ul>
<li>Better named log files</li>
</ul>