indicator/assessment/indicator.class.php: support for new assignment mod
Bump version so moodle.org lets it be upgradable to the new download
Change required moodle version - supports both 2.6 and 2.7
Add README and remove old todo files
Merge pull request #2 from eugeneventer/newassignments

indicator/assessment/indicator.class.php: add support for new assign mod
Switch hardcoded pluginnames to get_string calls