Fixes more singlespaces.
CBM units too.
Oops.
Merge pull request #8211 from Rivet-the-Zombie/more-spacing

Fixes singlespacing in bionics.
Revert "Translation of motd and credits"

This reverts commit 38f9fc8fd691d66018eec904eefc033b38601594.
Load a separate motd/credits file for each locale

File name is created from a base path + locale + extension.
This system is also used to lo load the localized names json data.

Move credits and motd file into separate folders in data/ and
rename them to match the system that data/lang/ uses.
Remove old_t_* enumerations.

Remove map::oldter, reverse_legacy_ter_id. use map::ter and current t_* values instead.
Rewrite the switches into if-else-if structures.
Apply astyle to map::hit_with_acid

Fix bug in iuse::hacksaw: don't check the terrain type != 0 (=t_null), it's always non-null.
Remove old_f_* enumerations

Remove map::oldfurn, nearly nowhere used.
Items without valid material are not flammable.

player::consume use the same logic to determine whether the consumed item is suitable for the batteries bionic.
bionic: add a message when activating a bionic is not done because of insufficient power.