Update README.md
Fix #287
rbd: ensure dev_file and dev_bus are never referenced before they are set
Merge pull request #288 from EmbeddedAndroid/master

rbd: ensure dev_file and dev_bus are never referenced before they are se...
Fix #290
add vnc password clear
add vnc keymap setting, improve set_vnc_passwd and set_vnc_keymap
fix clear passwd/keymap when not set
Merge pull request #293 from daniel-k/master

Add VNC keymap support and allow password clear
Fix PEP8
Fix jenkins settings
fix for #294
Merge pull request #295 from EmbeddedAndroid/master

fix for #294
Add clone instance
Merge branch 'master' into anna