Fixed syntax error in jTpl datetime plugin
Vagrant: add missing instruction
Testapp: fix profiles.ini.php for tests
jForms: group control can now have a checkbox

The checkbox enable/disable the content of the group.
To have this feature, the withcheckbox attribute should be set on the
<group> element, with the "true" value.

In this case, <group> supports child elements <oncheckvalue> and <onuncheckvalue>.
It supports also the defaultvalue attribute which content on of two values of
the checkbox state ('0' or '1' by default).

The class jforms-notselected is added on the fieldset when the checkbox is
unchecked.

The fieldset has now the jforms-ctrl-group class.
Testapp is now using phpunit 4.3 from Composer
jForms/js: remove error report on group and choice in some case

When children of group or choice were in error, there was an
additional error on the group or choice. this is useless.
Chmod is now done on all files created by Jelix