Raspisump

- Seperated program into scripts and modules.
- Removed the manual install instructions in favor of packaged install only.

- fixed error in setup.py

- fix raspisump.conf getting deleted on upgrade
- upgrade makes a backup of raspisump.conf to raspisump.conf.save
- Updated Instructions

- fix checkpid .py for raspisump_alternate.py process
- packaging with pip
- new install instructions for automated and manual installs

- Minor changes to some code.
- no longer using my own code to round numbers. Using round() method instead
- small corrections to License
- eliminated some duplicate code around logging

- Configuration file to store variables
- use cron to run the script at 1 minute intervals rather than in the script
- use raspisump_alternate.py if you want to run raspisump as a continuous
process without cron. Use only if you need to use intervals less than one minute.
- use checkpid.py if using as continuous process to monitor health of raspisump
process and restart it if stopped.
- PEP8 changes to code
- other code cleanup
- Added MIT License
- Added changelog