Created cmd framework and added simple init placeholder
Added basic environment; init command displays env info
Set POSIX flag
init command creates project dir
Initialize git repo during init command
Add .gitignore during init
Small fixes
Started moving all libgit2 interaction to repository,c
Renamed setup_betcfb_env to env_setup; fixed missing newlines in error printouts
Changed git repo description
Replace repo_init() with repo_open()
Added gitlib error checking to repo_create()