Version 0.1.2 of Resilipipe: Added opengraph column, Anchor texts for outgoing_links, URL-level curlielabels and warc_offset

Updated Resilipipe to be more independent of deployment specifics like S3 credentials or Spark deployment. Expanded test cases.

Updated pipeline with (1) Datacenter parameters in conf.yaml (2) Improved language labeling (3) More extensive logging of languages (4) Bash scripts with less redundancy