Fix a regression in clone:list

When using clone:list with a postClone configuration somewhere in the presets, the command now does not run into an array to string conversion error enymore.

Improve documentation and examples.

Improved the documentation and example settings.

v1.0.1

This just adds missing license information to composer.json

Initial Public Release

Merge branch 'feature/AddPostCloneCommandOption' into 'master'


[FEATURE] Add postClone option to the clone command

The postClone option can either be an array or a string. The given commands are executed with the shell after the clone is finished.
The the local FLOW_CONTEXT is added to the command so `./flow ...` can be used without specifying the context.

See merge request !6