weblinks 6.x-2.0-alpha3

See #338464: Use node_view to display the links.

• Fix Postgres query problem. #399564: PostgreSQL incompatibility
• Ability to display links submitted by specific user. #405150: Ability to display links submitted by specific user
• Add child groups to Related block. #393986: Still puzzling: show the subcatgeory on the parent pages?
• Improvements to Alexa rank indication.
• Fix missing option checks. #416566: Author-information shown, while not selected in weblinks-settings
• Fix block problems. #341076: Random/popular content block per group
• Added drupal_add_css to admin pages. #416694: CSS not loaded in admin pages
• Option to log URLs that are checked. #416712: Show all URLs that are checked
• Fix end divs. #417290: One too many closing divs in checker settings tab
• Drop URL index, add url hash. #409456: MySQL does not create url index as requested
• Correct link display in full node mode. #417302: links display on the node view page not working correctly I think
• Fix CSS from blocks split. #420822: Block formatting messed up
• Fix block function name changes. #419630: weblinks block more link problems
• Allow for "allow_url_fopen" to not be enabled (Pralexa). #415192: Pralexa: using curl instead of simplexml_load_file
• Add click tracking. #293358: Click tracking
• Better block titles.
• Add css inclusion in blocks. #427716: Multiple Issues with Web Links module
• Fix "show description" in block. #429250: Block "Show description" not working
• Remove "show comment" setting. #429254: "Show comment links" no longer applicable