Get endpoint from config - if available. #13
No trailing slash. #13
Use api endpoint instead of hardcoded github api. #13
Bump version. #13
Include exception in log. #13
Mention endpoint in readme. #13
Make gh_river part of url more obvious. #13
Mention new version in readme. #13
Merge pull request #14 from uberVU/13-support-endpoint

13 support endpoint
Merge https://github.com/uberVU/elasticsearch-river-github into feature/incremental-update

Conflicts:
	src/main/java/com/ubervu/river/github/GitHubRiver.java