forgot to add the data dir into the dataPath
added a default background function
simplified the zReceive
added a base class for showing images in different modes
the pdf viewer
PDF stuff
made the UDPServer handle the utf-8 input correctly, though it is not a pretty way as forced by java
Controller wont fail when sketch message is recieved and no sketch is active
Added a text sketch for rendering text strings
fooling around with video path