Esptouch v0.3.4.3 only support Espressif's Smart Config v2.4

Esptouch v0.3.4.2 only support Espressif's Smart Config v2.4

Esptouch v0.3.4 only support Espressif's Smart Config v2.4

Esptouch v0.3.3 only support Espressif's Smart Config v2.2

Esptouch v0.3.2 only support Espressif's Smart Config v2.2

fix some bugs in v0.3.0

Esptouch v0.3.0 only support Espressif's Smart Config v2.1

add isCancelled() in EsptouchResult and EsptouchTask

Support not only ASSIC code, Esptouch v0.2.1 for android release