Added js doc
cleanup + js comment + fixed sample
Merge branches 'custom-interaction' and 'master' into custom-interaction
update sample pci with openclipart images + typo
Changed sample pci markup namespace from xhtml to html5
typo
changed qtiModel back to qtiHook
renamed getPci() into createPciInstance()
Merge branch 'master' into custom-interaction
Merge branch 'custom-interaction' of git://github.com/oat-sa/extension-tao-itemqti into custom-interaction