normalize all github urls

fixes #7
[#87] Fix remote script execution vulnerability
Merge pull request #82 from patrickkettner/normalize-github-urls-two

normalize all github urls
chore - add new relic

bracket fix (+1 squashed commit)
Squashed commits:
[c34c684] chore - add new relic (+1 squashed commit)
Squashed commits:
[432c102] fix test timeout for travis ci