Issue #9:

Work on it to display the current examination when the new created examination is asked from the
examination timeline.
- fix the missing close "cross" when displaying an old examination on mobile device
Fix #9

Allows to modify a non finished examination.
Invoicing function is not running at this stage.

It means that all examination could be modified.
Issue #9 :

Allow to close an examination in progress (later).
Merge pull request #13 from garthylou/issue009

Fix and close Issue 9 on develop branch