Create repo list component

Directive to display a list of repository names.
initial commit
Create git api service

Wrapper service around the git api, to be used with other services instead
of $http

Example use: gitApi.get(e-schultz/repos);
Merge feat-repo-list
Create git service
Merge feat-api-service
Create repository section
Merge feat-git-service
Merge feat-repo-section
Add basic server component