OO-1254: add a "not dummy" template, ensure temporary directory is created for the preview, a date to date handler and not a string

OO-1316: group coach have the same rights as course coaches to access assessment tool and test statistics

OO-1254: more browser friendly links for download, can delete the certificates, format and orientation for template, inline efficiency statement in course...

OO-1308: standard alignment for password, fix small placement issue of multi-columns vertical checkbox

OO-1310: add start button for guest user in course list and details if the course is set as BARG, remove assessment informations on the root node of the course for guest, add download button for guest in folder

OO-1257: implement REST API for efficiency statement and certificate, standalone or linked to a resource

OO-1254: add a renderer based on PhantomJS and velocity template, check the zip package for index.html, check the PDF to be compatible...

OO-1292: implements the "Admit" button in course members manager, and disable or enable waiting checkbox in wizard / eidtion of permission in correlation with the other permissions

OO-1254: implements email, recertification, confirmation for new certification before recertification period, assessment tool without assessable course elements...

OO-1282: rewrite the reload method to accept nothing as a result without error ( and connection set to rollback )

OO-1276: course administrator and course tutor have access to the results of the course participants

OO-1254: first push! implement management for the template at system level, generation of certificate, notifications, certification in assessment tool, auto certification, course configuration (no recertification at this time! )

OO-1253: not asssessable nodes and not published nodes return a score of 0.0 instaed of the large negative number. If not assessed, no score seems logic but not a large negative value

OO-1273: fix open/close of pages in CP, fix open CP course node with sub course nodes and only one page