Merge pull request #2 from lecousin/master

Directory structure
Merge pull request #3 from lecousin/master

design draft
Merge pull request #4 from lecousin/master

Start of technical design + common code
Merge pull request #5 from lecousin/master

More documentation
Update README.md
Merge branch 'master' of https://github.com/lecousin/Students-DataBase

Conflicts:
	README.md
Merge pull request #7 from lecousin/master

Use dhtmlx for DataList
Merge pull request #8 from lecousin/master

Update design to support multiple DataBases. Do not include the full dhtmlx library, we will add step by step standalone components, as soon as we need it, so we don't keep big amount of unused code.
Merge pull request #9 from lecousin/master

user management
remove dhtmlx full source, replace by single zip