GitLab

This function will navigate the filesystem scraping the fs
searching for config files. It will search in $pwd navigating
through parent folders stopping at $root

If you install the arduino cli, the default directory
of the configuration file is the location of the executable
This is not an ideal configuration for linux or windows

With this commit the configuration file is searched in the
default configuration folder for each system

Fix #122

Fix #116

Fix #115

Fix #114

Fix #112

Fix #111

Fix #110

Fix #113

https://github.com/golang/dep/blob/master/docs/FAQ.md#how-do-i-use-dep-in-ci

It update only the Gopkg.toml and lock so it necessary to run the dep ensure

No functional modification for standard flow (compile+upload without -i flag)

Fix #98

- Clarify executable needs to be renamed to proceed with the getting started section
- Not needed for the build from source section