add all extension to composer
switch generis and tao-core to master
add wfengine and wfAuthoring
ensure config exists and content is ignored
Update composer.json
remove data from gitignore to add it as default file_path
add data folder and gitignore to packagage
added itemqti-pci
rename subject into testaker
Added missing extensions to composer.json
Merge branch 'all_extensions' of github.com:oat-sa/package-tao into all_extensions

Conflicts:
	composer.json
add tao-dac-simple to composer.json
update ignore file with new extensions
Merge branch 'all_extensions' of github.com:oat-sa/package-tao into all_extensions
add authoh desciption licence in composer
add bootstap to phpunit.xml
all extension now ref to develop
Unit test improvements
add qtiItemPci
added qtiItemPic