20151011

What's new (since motionPie 20150719):

• added RTSP cameras support
• added continuous movie recording mode
• the default console root/admin password is now empty (was the board's serial number)
• the variant of motion daemon is now automatically selected based on the configuration (and defaults to Mr Dave's version)
• Raspberry PI images now use the 4.1 kernel version
• added support for more cameras and WiFi adapters
• account username and password are no longer required when configuring email notifications
• light switch detection option is now a slider (was a simple on/off button before)
• fixed media files access over FTP
• fixed extra motion options editing
• various network camera fixes
• fixed RPi.GPIO on Raspberry PI 2 boards
• the destination address is now used as "from" when sending email notifications
• motion logging is now a bit more verbose to ease debugging