If you have been updating from github in the past, your Joomla root directory will be cluttered with a number of things you don't need or want. The following is a list of directories and files that you should remove as they are not required.
.tx/
fabrik_build/
.gitignore
.gitmodules
.jshintrc
Gruntfile.js
README.md
contribution_license.txt
package.json
software_license.txt
transfix-config-generator.php
.tx/
fabrik_build/
.gitignore
.gitmodules
.jshintrc
Gruntfile.js
README.md
contribution_license.txt
package.json
software_license.txt
transfix-config-generator.php