DB/Misc: An Improper Burial

By dr-j, closes #11173
DB/Misc: Get Thorim to clear quests You Can't Miss Him and Battling the Elements on Quest accept of forging an alliance

by dr-j, closes #11169
DB/Misc: Get Stefan Vadu to reset quests for Drakuru's task when Sabotage, So Far So Bad, Hazardous Materials and Infilltrating Voltarus are taken

by dr-j, closes #11170
DB/Misc: Wooly Justice addition

By @untaught
DB/Misc: Defiling Uther's Tomb

by dr-j, closes #2410
Core/Threads: Include Helgrind suppressions file

Include a Helgrind suppressions file under source control. Each suppressed race is either a false positive, a read race followed by a lock acquire anyway, a bool race. Suppressions related to the same issue in the same function are grouped with a counter in brackets [ ] .

Fix tabs added in bcee801e4bdbf7d53f15cd0499e9d3aaedd3c3e2 .
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore into ghbb