Change programmer update message for FR5969

The warning that MSP-EXP430FR5969 < v2.0 are no longer
supported is only shown when the selected board is the MSP-EXP430FR5969.
For other boards the normal message will show.
Add macAddress() function to Ethernet
Up version on Windows splash screen
Enhance Update Programmer dialog.
Make windows detection more general in copy_libs.sh
Merge branch 'master' of https://github.com/energia/Energia
Add CogLCD to copy_libs.sh
Remove avr_tools.zip
Update IBM MQTT examples
Fix mac address byte order for WiFi
Add MACAddress.h to Ethernet.h