Core/Spell: Fix glyph spell (57927)

thanks to: Thema89

this fixes Issue: #331
Core/Spells: Fixed spell (51664)

thanks to: Darkpeninsula

- this closes Issue #372
Core/Spells: Cleaned up and removed hack code from aura 332.

thats to: Darkpeninsula

Signed-off-by: Bootz <bootz@projectskyfire.org>
Core/talents: correct cost of  Dual talent specialization

- cost has been reduced since 4.x.x, from the original 1.000g to the new amount of 10g
thanks to: Defrag & Nevan

Signed-off-by: Bootz <bootz@projectskyfire.org>
DB: Removed none existant spell
DB: Removed noneexistant spell