v2.0.0

Merge branch 'release-2.0' of https://github.com/bitsecondal/farmosnws

1.2

Added export of rules that are currently being used for automating tasks within FarmOS.
Updated get weather script to generate a configuration file.
Updated README to include steps on how to import rules into Drupal.

Display help in shell script

Added displaying of help information when the command is not properly entered when attempting to run the shell script.

Fixed if condition error

Updated the if condition in the shell script so that it works for seeing if the configuration file exists. Updated the example configuration file to properly export the variables.