self:: is used outside class/method scope

Signed-off-by: Etienne CHAMPETIER <etienne.champetier@fiducial.net>
Manually define columns list to avoid NULL node_id (nulled by the left join)
Merge branch 'master' of https://github.com/ajaxplorer/ajaxplorer-core
Merge pull request #379 from echampet/bugfix

self:: is used outside class/method scope
Change how uploader.html depends on uploader.flex, should impact plugins ordering, but not activation.
Merge branch 'master' of https://github.com/ajaxplorer/ajaxplorer-core