added alert window in case of errors
check updates from server via XML.
refactored firmware uploader and added progress bar
updated dfu processing
added firmware stream download
Merge branch 'master' of https://github.com/pingdynasty/OwlNest
updateFirmwareFromXml fully functionnal.
UpdateDeviceFromServer(commandID) fully functionnal. Replaces updateFirmware(Bootloader)FromXml.
Merge branch 'master' of github.com:pingdynasty/OwlNest
replaced #define HIDE_LOW_LEVEL_ITEMS by an ApplicationConfiguration
moved dfuse.c code into DfuseLoader c++ implementation
integrated dfu loader with progress bar and notification pop-ups
Merge branch 'master' of github.com:pingdynasty/OwlNest into dfu-loader
updated dfu process
fixed mem leaks and updated messages
close device on firmware update error
fixed optionStrings in DownloadFromServer
Merge branch 'master' of github.com:pingdynasty/OwlNest
typo fixed