yi-hack-MStar 0.4.0

Add output to file to snapshot web service
Add status to service web service
Add alaw compression to rRTSPServer
Align ipc_multiplexer to allwinner projects
Improve Synology Sation compatibility (thanks to @unnameable73)
Fix quote char error in crontab
Add stripping during package creation
Improve RTSP web service
Add aac audio to RTSP and improve code
Update mqttv4 to the last version
Update gsoap download site
Add wifi configuration to web page
Add configuration through mqtt
Move resolv.conf to /tmp to avoid rootfs filling
Add experimental h264grabber (not used)
Always start crond at boot
Increase h264grabber process priority
Decrease audio fifo size to reduce latency
Don't send again file with ftp if already sent
Add MQTT Advertise (thanks to @EnricoFerro)
Add entry in hosts for api.eu.xiaoyi.com