SSL v3 POODLE exploit upgrade for communications to Vindicia

- Refactor Config class extracting API mappings into it's own file
- Updating CHANGELOG and README
- Config options now support Cert File, CA Cert File, Key and Pwd
- Verion bump to 0.1.2
- Savon dependency needs to be required outside this gem

[Fixes #81604868]
Merge pull request #6 from VerticalResponse/vg/poodle_ssl

SSL v3 POODLE exploit upgrade for communications to Vindicia