The command-line tool now looks in the env variables for the default store configuration
The command-line tool now looks in the env variables for the default store configuration

Use:
- IRMIN=m        -> in-memory
- IRMIN=g        -> git
- IRMIM=l:<path> -> local
- IRMIN=r:<uri>  -> remote

You can still force the command-line tool selection by adding some options to the command line.

mirage/irmin,samoht/irmin,mirage/irmin