[0840] - Ironforge - Various NPCs - Update WPs

* Thief Catchers Farmountain, Shadowdelve & Thunderbrew
* Sraaz
* Ironforge Guards 144, 1894 & 1895
[0841] - Dustwallow Marshes - North Point Tower

* Most of the guards close to the North Point Tower were standing still. This was corrected.
[0842] - Dustwallow Marshes - Sentry Point
* Most of the guards close to Sentry Point were standing still. This was corrected.
[0843] - Darnassus - Alliance Cloth Quartermaster ...

* wasn't offering the elvish version of 'A Donation of Wool' and 'A Donation of Silk' because they weren't existing.
  This is part (1/2) of https://github.com/classicdb/database/issues/364