Corrections of code deprecated since Elgg 1.8
Web services update + manifest updates
Merge pull request #13 from Srokap/1.9

Corrections of code deprecated since Elgg 1.8
Replaced deprecated and outdated code.
Merge pull request #25 from juho-jaakkola/deprecated_in_19

Replaced deprecated and outdated code.
Updated moderator tools to treat discussion replies as entities instead of annotations.
Merge pull request #26 from juho-jaakkola/replies_to_entities

Updated moderator tools to treat discussion replies as entities instead ...
Updated discussion reply menu to treat replies as entities.
Removed deprecated and unneeded code.
Merge pull request #27 from juho-jaakkola/deprecated_19

Removes unneeded and deprecated code
feature(discussion): make it much easier for guests to post new topics

 * "Add discussion topic" always visible, even when logged out.
 * Group can be selected via autocomplete
 * Auto-join to selected group if possible and not already a member

Refs #14
feature(discussion): use datalist to recommend featured groups
Merge pull request #28 from Elgg/discussion-14

feature(discussion): make it much easier for guests to post new topics