fixed: some buildQuery methods were not returning the query object if set in method parameters
removed: unused form pagination code
updated pagination form plugin
fixed: possible notice in csv export when link element had no data
changed: throw error if csv export element options + list published/accessible elements mean that no elements can be exported
reverting bootstrap button class changes
fixed: redirect plugin, use as search data not working
fix possible notice in facebook metadata generation
Merge remote-tracking branch 'upstream/joomla3' into joomla3