Fix handling with RDF documents which has caused to a halt during feed tscan;
Ignore items without a link (Thank you Kris);
Set entry identifier as MD5 hash of link (Thank you TheCoffeMaker).
Ad-Hoc: Add menus (list-single) for selection from a fixed list of bookmarks ans contacts;
Database: Identifier (node name) includes hyphens instead of dots.
Database: SQLite database now stores more items.
Bookmarks: Improve code;
MUC: Improve code;
SQLite: Manjor code changes to adapt to new table;
URL: Fix redirection (hostname switcher).
Improve MUC handling.
Add command "send" to add feeds to other JIDs.
Ad-Hoc: Add functionality to specify JId to commit actions on upon.
Add subscription preview upon adding a subscription.
Add project Jabber RSS Transport to bots list.
Add projects Psi and Psi+ to clients list.
Fix ping functionality when activated as component (thank you Guus and MattJ).
Add initial code for XEP-0060: Publish-Subscribe.
Fix case-sensitivity with setting keys sent in-chat-command (Thank you mirux)
