Merge pull request ColorlibHQ#378 from puikinsh/Development

Updates to close some old pull requests

Merge pull request ColorlibHQ#177 from christianesperar/master

Package release update

Merge pull request ColorlibHQ#152 from krzysiekpiasecki/patch-1

Clone skycons and validator via https

Add multilevel submenu

Add multilevel submenu

Merge pull request ColorlibHQ#60 from christianesperar/master

Remove overlapping of content on some input element