Reads activatorconfig.txt file from ACTIVATOR_HOME/ACTIVATOR_VERSION or ACTIVATOR_HOME if not present in the former location.
Fix for handling multiple arguments in the config file in a *nix environment.
Merge pull request #517 from typesafehub/wip/h3nk3-activator-config

Reads activatorconfig.txt file from ACTIVATOR_HOME/ACTIVATOR_VERSION or ...