Added Copyright Notice

app/build.gradle

app/src/main/AndroidManifest.xml

app/src/main/java/de/kuschku/libquassel/BusProvider.java

app/src/main/java/de/kuschku/libquassel/Client.java

app/src/main/java/de/kuschku/libquassel/ClientData.java

app/src/main/java/de/kuschku/libquassel/CoreConnection.java

...src/main/java/de/kuschku/libquassel/IProtocolHandler.java

app/src/main/java/de/kuschku/libquassel/ProtocolHandler.java

...va/de/kuschku/libquassel/events/BacklogReceivedEvent.java

...e/kuschku/libquassel/events/CertificateAcceptedEvent.java

...a/de/kuschku/libquassel/events/ConnectionChangeEvent.java

...va/de/kuschku/libquassel/events/CoreSetupFailedEvent.java

...e/kuschku/libquassel/events/CoreSetupSuccessfulEvent.java

.../java/de/kuschku/libquassel/events/GeneralErrorEvent.java

...va/de/kuschku/libquassel/events/HandshakeFailedEvent.java

...in/java/de/kuschku/libquassel/events/LagChangedEvent.java

...n/java/de/kuschku/libquassel/events/LoginFailedEvent.java

...va/de/kuschku/libquassel/events/LoginSuccessfulEvent.java

...java/de/kuschku/libquassel/events/StatusMessageEvent.java

...de/kuschku/libquassel/events/UnknownCertificateEvent.java