initial import of vips 1.8

COPYING

VipsPlugin.php

controllers/admin.php

controllers/config.php

controllers/exam_mode.php

controllers/groups.php

controllers/pool.php

controllers/sheets.php

controllers/solutions.php

css/print.css

css/vips.css

css/vips_style.css

exercises/Exercise.php

exercises/algebraq/parser.php

exercises/algebraq/question.php

exercises/cloze_exercise.php

exercises/jv_exercise.php

exercises/lt_exercise.php

exercises/lti_exercise.php

exercises/mc_exercise.php