Grayskull

Change colours of the print message
Reduce time to generate recipe
Add feature to show if the packages are available on the channel
Fix when github returns multiple users for the user search

Update pre-commit configuration
Improve home url
Fix when the project does not have setup.py

Infrastructure:
- Add gitter badge as well
- Use latest images on azure pipelines for Windows and OSX

Features:
- Add possibility to disable output when running grayskull. It will disable the output when using grayskull as a module.

Bug Fix:
- Return a better message when not executing grayskull correctly from the CLI

Fix for config.yaml on pypi regarding the metaplotlib keyword for conda-forge

Add feature to track different package names from repositories and conda-forge

- Fixed entry points when they are specified as string instead of a list
- Writting the license file with the same name as on the github repository.