docs(readme): upgrade to 1.2.11

update jar to 1.2.10

fix shwenzhang#210

docs(readme): add - for digestalg

support as 3.0

supprot android studio 3.0

feat(sample): set digestalg parameter in sample app

chore(build): upgrade verstion to 1.2.6 in readme

prepare release 1.2.5

feat(sample): add how to use finalApkBackupPath property in example

ref shwenzhang#187

Release 1.2.3