bugfix for transcoding API
Merge branch 'master' of https://github.com/E2OpenPlugins/e2openplugin-OpenWebif
add API to use STB as WOL client to send magic packets
add API for WOLSetup plugin

Usage:
a) WOL client (sending magic packets)
example: http://ip_of_stb/wol?mac=AA:BB:CC:DD:EE:FF&ip=192.128.100.255&port=9
ip and mac are mandatory arguments, port is optional

b) WOLSetup plugin
example: http://ip_of_stb/wolsetup?location=deepstandby&wol=active
activates WOL and goes everytime to WOL standby

example: http://ip_of_stb/wolsetup?wolstandby=1
shutdown STB to WOL standby (if WOL is enabled)