follow arduino API: pure virtual Stream::flush() moved to empty virtual Print::flush()#4029

Merged

devyte merged 3 commits intoesp8266:masterfrom

Dec 29, 2017

Commits on Dec 26, 2017

follow arduino API: pure virtual Stream::flush() moved to empty virtual Print::flush()
d-a-v
committed

Commits on Dec 28, 2017

Merge branch 'master' into 4018
devyte
authored

Commits on Dec 29, 2017

Merge branch 'master' into 4018
devyte
authored