LUA and trait documentation fixes

- Typo in documentation ("proximitry").
- Add spaces between sentences.
- Remove most occurrences of "  " (two spaces) unless clearly used as indendation
- Punctuation (although no fullstop after filenames like "notifications.yaml").

mods/cnc/maps/nod03b/nod03b.lua

@@ -1,6 +1,6 @@
 NodUnits = { "e1", "e1", "bggy", "bike", "e1", "e1", "bike", "bggy", "e1", "e1" }
 Engineers = { "e6", "e6", "e6" }
-FirstAttackWaveUnits  = { "e1", "e1", "e2" }
+FirstAttackWaveUnits = { "e1", "e1", "e2" }
 SecondAttackWaveUnits = { "e1", "e1", "e1" }
 ThirdAttackWaveUnits = { "e1", "e1", "e1", "e2" }