Version 0.1.2 - add an uninstall script, refactor internals

• Add emu info command for info/stats about device
• Move command names and descriptions to their respective classes
• Create __init__.py file in /emu_commands and import commands and create list of commands there so we can create the commands variable in emu.py easily with one line
• Adds temp alias for battery stats, will move to emu info
• Remove extra space before command in readme