Started Repo spring-cleaning:

- added config directory for all configuration files
- removed jars
- Moved some files to more sensibel spots

src/main/java/ch/unibas/dmi/dbis/cs108/ log4j2.tld

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN">
-    <Appenders>
-        <Console name="Console" target="SYSTEM_OUT">
-            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
-        </Console>
-    </Appenders>
-    <Loggers>
-        <Root level="all">
-            <AppenderRef ref="Console"/>
-        </Root>
-    </Loggers>
-</Configuration>
-