Create WASP-74.xml

Source: http://arxiv.org/abs/1410.6358
Alternative names and additional mags: Simbad
Create WASP-83.xml

Source: http://arxiv.org/abs/1410.6358
Create WASP-89.xml

Source: http://arxiv.org/abs/1410.6358
Merge pull request #397 from Sol-d/patch-17

Patch 17