Add Elasticsearch module
Add tests for generating url
Can do basic http query
Use custom HTTP module
Merge branch 'master' into elasticsearch-support

Conflicts:
	lib/elasticsearch.ex
Merge branch 'master' into elasticsearch-support

Conflicts:
	mix.exs
	mix.lock
Load talks from Elasticsearch
Add tests for queries
Merge pull request #11 from schultyy/elasticsearch-support

Elasticsearch support