add save when verifyng and uploading #1934
Do not auto-save on verify/upload if sketch is readonly
Renamed preferences 'save.verifyUpload' to 'editor.save_on_verify'
Merge branch 'autosave' into HEAD
[avr] Small comments and headers fixes in SPI
[avr] SPI: removed redundant include
Introducing Atmel toolchain 3.4.4: see https://github.com/arduino/toolchain-avr