added argument to input directory location of ckanext-ngds
Shouldn't have changed the png files directory
Changed parameter for root to be the CKAN NGDS extension directory, for example /home/developer/ckanenv/src/ckanext-ngds
Added value for the -r flag defined in ngds_config_file.py to the installation script
Merge pull request #140 from ngds/ini-setup

New arguments for scripts/ngds_config_file.py