Added some concepts on the old system
Merge branch 'master' of https://github.com/flower-platform/flower-platform.github.io.git
Added content for concepts: Smart Structure Diagrams, Sharing and
Collaboration
Merge branch 'master' of
https://github.com/flower-platform/flower-platform.github.io.git

Conflicts:
	concept_test/concept1/subconcept11.md
	concept_test/index.md