changelog for 1.0.3

Update GUI and changelog for 1.0.2 (Chia-Network#1604)

* Update GUI and changelog for 1.0.2

* Add key from file to chglg

don't block on start (Chia-Network#1476)

Thanks KiwiH! (Chia-Network#1360)

If CHIA_ROOT dir does not exist, migrate (Chia-Network#1335)

Don't sync up with weight proof for short heights (Chia-Network#1322)

Trigger a re-run (Chia-Network#1285)

remove current column (Chia-Network#1258)

"header hash" GUI change

Chglg for RC4 bug fix