DB: Script_texts for 2 BlackWing Descent Bosses.

this is a particle merge of @F03SD Pull Request #912
this adds Script_texts to Lord Victor Nefarius, and Omnotron
of BWD.

Signed-off-by: bootz <bootz@projectskyfire.org>
DB: Adding correct spells to NPC Trainer 44396.

- this is yet another particle merge of @F03SD Pull Request #912
- this corrects Celestine of the Harvest (Worgen Druid Trainer)
- spells http://www.wowwiki.com/Celestine_of_the_Harvest

Signed-off-by: bootz <bootz@projectskyfire.org>