LDEV-4163 Using new LessonManager method "checkLessonForNumericToolOutputs" instead of quering for SVGs to discover if learning design has numeric tool output
LDEV-4163 Adding new LessonManager method "checkLessonForNumericToolOutputs" which is going to serve as a replacement for quering for SVGs to discover if learning design has numeric tool output
LDEV-4162 When requesting sequence image pass lessonId parameter instead of learningDesignId one as the latter might not have responsible generated SVG image
LDEV-4139 As long as activities were not explicitly saved into DB beforehand and the transaction is still open - therefore we should not assume activities are already inserted and so we use activityDAO.insertOrUpdate()
LDEV-3897 Update ldId parameter (stored in content's Url field) after running ImportLessonsServlet as otherwise it points to completely wrong ldId from the old LAMS server
LDEV-4092: Date passed back by server was reconverting time for Daylight Saving, making it an hour out, as the convertToStringForJSON takes the timezone into account. Therefore convert the already timezone converted time (which gets converted back again) rather than the original time.
