Merge branch 'release/7.x-0.8.1' into develop
add 'sort by' control to search panel page
add getISBN for work entity
Merge branch 'feature/scrumdo#51_search_controls' into develop
scrumdo#51: pane->subtype name for search control has changed
Tagging version 7.x-0.9.
Merge branch 'release/7.x-0.9'