New field "network" in item table to speed up the system.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
BBCode: When converting to HTML for the connectors, then videos are now converted in a regular link (there were problems with some vanishing video links)
Several performance improvements.
Removed many "limit 1" at update and delete queries since they were superflous und generated massiv logfile entries
All subqueries in tag searches are now reformed. Further SQL improvements
Bugfix: There were speed problems with inifinite scroll on firefox
update to the util/message.po file to new strings can be translated
Merge pull request #815 from tobiasd/20131107-strings

update to the util/message.po file to new strings can be translated
update to util strings.php
Merge pull request #816 from tobiasd/20131107-strings2

update to util strings.php
Merge pull request #803 from annando/master

SQL performance and reduction of database warnings
rev update
DE: update to the strings
SQL: Query for showing group posts is improved, order by comment date now work again
Update Install.md

Add package instructions
Update style.css

Add warning-message class
CS: update to the strings
Update admin.php

Improve the SQL query to keep the result quantity small