More v0.2 updates...

- Renamed some files, removed others and condensed their function into
the existing files
--- Added a global variable file for easier tracking of global variables
- Improved mode handling and start/stop execution.
- Added ability to adjust motor ramp up/down times and time @ max
throttle, including CLI for adjusting and EEPROM for settings retention
- Added ability to adjust battery pin, scaling, and bias for both
current and voltage, the CLI for adjusting them, and EEPROM for
settings retention