- added license to RPI IO
Merge branch 'master' of https://github.com/MICRORISC/iqrfsdk

Conflicts:
	libs/raspberry/io/jlibrpi-io/versions/1.0.0/src/main/java/com/microrisc/rpi/io/IO.java
	libs/raspberry/io/jlibrpi-io/versions/1.0.0/src/main/java/com/microrisc/rpi/io/IOException.java
	libs/raspberry/io/jlibrpi-io/versions/1.0.0/src/main/java/com/microrisc/rpi/io/SimpleIO.java
- removed old unused versions of simply-iqrf and simply-iqrf-dpa