Kytos-utils

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Changed
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- A better log message when bad requests are sent over REST API

Fixed
=====
- Fixed NApp package structure

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Added
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- kytos-utils now can be installed on a remote machine
- New unit tests in order to cover Napps.Manager
- Coverage configuration file

Changed
=======
- When packaging a NApp, kytos-utils will ignore files listed on .gitignore,
creating smaller NApps
- Improved Scrutinizer configuration
- Better error message when connecting to kytosd

Removed
=======
- Removed kytos-core dependency in order to allow standalone installation

Fixed
=====
- Few Linter issues

Security
========
- Updated requirements versions in order to fix some security bugs

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Fixed
=====
- Fixed packaging before uploading NApps.
- Fixed initial version number when creating a new NApp.

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Added
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- Added a global and explicit SKEL_PATH constant to get skel from the new
location.

Changed
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- mkdir call replaced by makedirs in order to make installation more reliable.
- Updated requirements versions to match Kytos core.

Deprecated
==========

Removed
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Fixed
=====
- Fixed some linter issues.
- Populate /etc/kytos/skel even if exists and it is empty.

Security
========

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- This is the stable version based on the last beta pre-releases.
No changes since the last rc1.

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Added
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- Support for meta-napps (beta)