Merge pull request #166 from zapion/v2.0

Bug fix for printErr function in controller
First version of flash tool's console controller.
Add console mode of flash_pvt.
- not support options now.
Merge pull request #167 from askeing/v2.0

Add console mode of flash_pvt.
Updated console mode of flash_pvt.py
Merge pull request #168 from askeing/v2.0

Updated console mode of flash_pvt.py
Add empty getLatestBuildId()