just unique files plus submodules
readme and travis
releases, travis, luggage_doc, build_luggage
Updating the contributing section
new build_luggage_isu.sh
Merge branch 'unique' of github.com:isubit/luggage_isu into unique

Conflicts:
	.gitmodules
	.travis.yml
	README.md
	sites/all/modules/luggage/luggage_biblio
	sites/all/modules/luggage/luggage_contrib
	sites/all/modules/luggage/luggage_indicator
	sites/all/modules/luggage/luggage_people