Troubleshooting information added for WSDL errors.
EULA launcher in Turnitin Assignments no longer blocked by popups.
Fix for saving and retrieving of rubrics.
Rubrics now being saved for PP assignments.
Merge branch 'develop' into feature/2014012408

* develop:
  Issue #73 Check to make sure Turnitin is enabled in current location.
All module check added to disclosure
EULA error moved to not show if previous submission has been made.
Incorrect encoding in a language string fixed.
Version and docs updated.
Merge branch 'feature/2014012408' into develop
plagiarism_turnitin: Allow late submissions if cutoff date not enabled

Signed-off-by: Tony Butler <tonyjbutler@gmail.com>

Conflicts resolved:
	plagiarism/turnitin/lib.php
plagiarism_turnitin: Fix image references in style rules

Signed-off-by: Tony Butler <tonyjbutler@gmail.com>

Conflicts resolved:
	plagiarism/turnitin/styles.css
plagiarism_turnitin: Fix errors screen error caused by file absence.

Conflicts resolved:
	plagiarism/turnitin/turnitinplugin_view.class.php
plagiarism_turnitin: Only update grades if grading scheme is numeric

Signed-off-by: Tony Butler <tonyjbutler@gmail.com>

Conflicts resolved:
	plagiarism/turnitin/lib.php
mod_turnitintooltwo: Fix access to grademark and originality reports.

When quick grading is enabled, access to grademark and originality reports
was not possible because of form conflict.
plagiarism_turnitin: Include lib/gradelib.php for grade_update()

Signed-off-by: Tony Butler <tonyjbutler@gmail.com>
mod_turnitintooltwo: Check connection to TII before verifying EULA

Signed-off-by: Tony Butler <tonyjbutler@gmail.com>