Introduce ComboBox Selection Helper class and model
Add method to retrieve given annotation linked to object.

Method useful to retrieve annotation like modulo annotation
added at import time.
Fix class cast exception.
Fix query to load annotations.
Add tests for modulo retrieval.
Add modulo namespace to constant.
Add test to create XML annotation.
Add modulo ns to pojos and add test using modulo ns.
Fix documentation.
Add pixels to the list of supported type. Test added too
Improve Java doc.
Resolve selection issues on creating new datanodes
Add notes about Python package dependencies (Scipy, PyTables)
Add note about the expected current directory
Check for local bin/pip installation before looking in the PATH
merge dev_4_4 -D org -I include -E conflict -E needs-fixes -E broken: PR 620 (Spec clean on dev 4 4)
merge dev_4_4 -D org -I include -E conflict -E needs-fixes -E broken: PR 647 (xsd-fu cleanup (dev_4_4))
merge dev_4_4 -D org -I include -E conflict -E needs-fixes -E broken: PR 656 (Merge xsd-fu changes from schema-2012-06 (dev_4_4))
merge dev_4_4 -D org -I include -E conflict -E needs-fixes -E broken: PR 746 (Blitz getThumbnail() uses cached thumbs (dev_4_4))
merge dev_4_4 -D org -I include -E conflict -E needs-fixes -E broken: PR 761 (Simple group view of 'All Members' data. See #10243)