Going back to httpoison 1.x

This reverts the httpoison to 1.7

Deps Updated

Dependency
credo 1.6.1
earmark 1.4.19
ex_doc 0.26.0
httpoison 1.8.0
jose 1.11.2
oauth2 2.0.0
ueberauth 0.7.0

Updated to:

Dependency
credo 1.7.1
earmark 1.4.46
ex_doc 0.30.6
httpoison 2.1.0
jose 1.11.6
oauth2 2.1.0
ueberauth 0.10.5

Base Release

This is the version we had before updating to a more current version of the dependencies