v1.2.0 release

updating composer dependency versions

Update version number to 1.2.0

Update to allow Moodle proxy settings to be used (if present)

Brianlmerritt kent use php 5.5, 5.6, or 7

requested change to tincanphp version

Updated repository URL

Updated repository URL to match the current location.

Couldn't load master with a php 5.5+ or php 7.0 server, but by upgrading tincan to 1.0.0 and allowing it to appear to be 0.12.0 this seems to resolve the dependencies and work.

Added moodle config proxy parameters

Minor fix ($e >> $ex)

-Updated LearningLocker dependencies
-Updated settings to fix minor bug
-Updated to TinCanPHP v0.4.0
-Updated docs to show new repo location

Test for course_completed added.

Add feedback integration test

Send statements to LRS in batches

Updated dependencies