Fixes CONTRIB-4938 and CONTRIB-4871

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
CONTRIB-4856 :: Session variable can be empty when accessed causing PHP warning

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
CONTRIB-4942 :: In Activities block, display names (and links to) public questionnaires original and copies

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
CONTRIB-4943 :: Allow roles with preview capability to preview a questionnaire, even if it's a copy of a public one.

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Add useful information for the public questionnaires to the index and mod_form pages.

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Improved CONTRIB-4938 Recent activity block display for public questionnaires.

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
CONTRIB-4948 :: Inconsistent reports from personality test feature

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Couple of fixes for recent commit to Recent Activity & public questionnaires display.

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
CONTRIB-4957 :: explain about skipped questions on feedbacksections page

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
CONTRIB-4965 :: Another cast problem with Username

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
CONTRIB-4965 :: Another cast problem with Username

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Merge branch 'MOODLE_26_STABLE' of github.com:remotelearner/moodle-mod_questionnaire into MOODLE_26_STABLE
CONTRIB-4967 :: Show nonrespondents list doesn't paginate properly

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Merge branch 'MOODLE_26_STABLE' of github.com:remotelearner/moodle-mod_questionnaire into MOODLE_26_STABLE
Release  version 2.6.4 STABLE (Build - 2014033100)

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Merge branch 'MOODLE_26_STABLE' of github.com:remotelearner/moodle-mod_questionnaire into MOODLE_26_STABLE
Tidied up code with codechecker before pushing STABLE 2.6.4 to Moodle plugin repository.

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Increased version build number to 2014041800.

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>
Merge branch 'MOODLE_26_STABLE' of github.com:remotelearner/moodle-mod_questionnaire into MOODLE_26_STABLE
CONTRIB-5034 :: Average rank (and average values) incorrect in N/A rate questions

Signed-off-by: Joseph Rézeau <moodle@rezeau.org>