Fix cancelling permaflight above deep water or lava killing players without a prompt

Also fix a similar issue with switching out of dragon form above said
hazards.
Revamp Potions of Gain Stat

Replace potions of gain stat with potion of vicissitude.
This potion grants a good mutation when quaffed.

Thanks to ontoclasm for the tile.
Update potions of gain <ability> in vaults.

This is a 1:1 replacement of the old loot with potions of vicissitude.
Don't give messages for out-of-LoS tentacle pulls
Add four more color names to the miscellaneous database.
Wand tiles
Wrap lines on punctuation for chinese and japanese since they don't use spaces.
Rename vicissitude in beneficial mutation.
[Transifex] Remove !gain_foo description from translations.

Signed-off-by: Raphael Langella <raphael.langella@gmail.com>
[Transifex] Rewrap japanese and chinese by breaking lines on punctuation.

Signed-off-by: Raphael Langella <raphael.langella@gmail.com>
Add the ability for Beogh and Yred to stop recalling followers.
Remove unneeded blank line.
Typo fix.
Constify.
Add missing brackets.
Constify.
Update descriptions for Yred/Beogh recall and stop recall
Fix an improperly tagged vault
Reroll shafts placed in corridors instead of turning them into alarms

This didn't respect depth, and so was placing alarm traps on D:1, where
they are near-certain death for the unfortunate player who steps on them.
Add missing brackets.