do not trigger error messaging when requesting HEAD (considering it as a "test" to check if resource exists in location)
improved fileExists validator
late fix to prevent skip via a fast click on registration screen
set file_path by default to rootpath/data
filepath
fix data folder creation
some issues on media size
quick fixed mediaSizer init params
upd. res man
changed prefix names to support windows fs
triggers sizeChange on mode change
changed constant prefix param name
mathJax fallback
removed registration
rebuild js
2.6.X
added warning to logger on missing file