LDEV-2080: For all remaining tools - changed the way Hibernate properties are declared. Even for tools that did not need it the file was changed, so usage is the same everywhere.
LDEV-2173 Adding in an averageTime and an averageMark parameter to the abstract GradeBookGridRow class as it makes sense for all views to have these parameters
LDEV-2115LDEV-2184 Change theme color and panel colors to be consistent with colors found on index page (authoring button for example). Using toggle bar button for Time Chart.
LDEV-2187 Put time taken for activities and lessons in gradebook.Fixing up LearnerProgress.java so it stores both finish time and start time for all completed activities
