(BETA)
* add option target_arrows_texture (not exposed in ui)
* disable health_text_percent_symbol by default
* fix set command help text

* add option to show detached castbar in name-only mode
* add option to show level in name-only mode
* add option to show health text percent symbol
* (classic) update libClassicCasterino, libClassicDurations, libThreatClassic2
* (classic) bump toc
