Pass omero.db.poolsize into security tests
Delay creation of OMERO.security.test context

These tests are marked as `enabled=false` and so won't
be run. They are being instantiated in order to check
for later processing, so the creation of the `OmeroContext`
can be postponed to save time.
Fix some of the other blitz integration test issues

These allows tests to begin running but does not yet
have them green. A significant amount of work is still
needed to have them all passing or to remove those tests
which have become outdated.
Add option to build gcov files for unit/integration tests with option "gcov=1"
Add gcov output files to ignore list
Add support for XML annotation
Add support for empty string.

So that the constructor does not crash.
Add component to display other annotations.
Add method to model to display other annotations.
Lay out the "other" annotations.
Add support for the other annotation.
Adjust editor to allow editing of XML and term annotation.
Fix edit of Term and XML annotation.
Add update of long, double and boolean annotation.
Make sure links are loaded for XML, term and other annotations.
Handle long and double annotation creation.
Use specific type.
Fix display after content update.
Fix tooltip of annotation like XML, term etc.
Fix clear and filtering.