image base64 encoding, ugly POC
add finish() when camera is not available, delete unused piece of code
GZIP compression
back to JPEG compression
add resize to 320x240
Removed some old code
Added NAME attribute and getName() method for sensors
Added a method for getting sensors by name
Made the sensor-list private again
Updated the snapshot thread to fetch sensors in a nicer way
Merge branch 'image64'

Conflicts:
	src/no_de/inf5090/visualizingsensordata/persistency/DataCollector.java
	src/no_de/inf5090/visualizingsensordata/transmission/XmlTransmission.java