Add Mega Abomasnow

- Also added likely Diggersby and Bergmite stats
- Also fixed a typo with Pancham/Pangoro DW ability
Implement Flower Veil
Update Pokemon abilities and evoLevel
Add new ability Grass Pelt
Igglybuff/Gothita lines get the ability Competitive
More Gen 6 move changes
Update Hidden Power description
Alias /rb to /roomban
Move redir to the roomban permission
Redirect now requires modship of both rooms
Merge remote-tracking branch 'upstream/master'