Refactors base, adds tiny test
Begins Api object, this will be main entry point of core (WIP)
Merge branch '2_authenticate_to_api' into dev

Conflicts:
	core/build.gradle
	core/src/main/java/uk/co/ataulm/imgur/core/datamodel/Image.java
	core/src/main/java/uk/co/ataulm/mijur/core/api/ImgurApi.java