In addition to being a better random, this fixes #3228

Remove CaveFractal
Add a lava depth constant to CaveV5 to make it universal

Comply with line limit.

Fix regression of commit

5e507c98 "Add server side ncurses terminal"

where no line termination character was printed after a
lua print outside of terminal mode.

Fixes #3350.

Add the v3f type, currently is just a nice placeholder for string.
Currently undocumented, on wish of @PilzAdam, to support future changes.

Whatever that char is, it isn't a space.

Currently translated at 49.5% (373 of 753 strings)

Currently translated at 58.0% (437 of 753 strings)

Currently translated at 47.6% (359 of 753 strings)

Currently translated at 47.4% (357 of 753 strings)

Currently translated at 47.2% (356 of 753 strings)

Currently translated at 47.0% (354 of 753 strings)

Currently translated at 30.0% (226 of 753 strings)

Currently translated at 43.0% (324 of 753 strings)

Currently translated at 35.1% (265 of 753 strings)

Currently translated at 35.1% (265 of 753 strings)

Currently translated at 40.6% (306 of 753 strings)

Currently translated at 56.3% (424 of 753 strings)

Currently translated at 48.0% (362 of 753 strings)

Currently translated at 46.7% (352 of 753 strings)

Currently translated at 39.7% (299 of 753 strings)

Currently translated at 99.3% (748 of 753 strings)

Currently translated at 32.6% (246 of 753 strings)

Currently translated at 32.2% (243 of 753 strings)

Currently translated at 100.0% (753 of 753 strings)

Currently translated at 100.0% (753 of 753 strings)

Currently translated at 98.2% (740 of 753 strings)

Currently translated at 33.0% (249 of 753 strings)

Currently translated at 32.9% (248 of 753 strings)

Currently translated at 25.8% (195 of 753 strings)

Currently translated at 26.4% (199 of 753 strings)

Currently translated at 28.2% (213 of 753 strings)