This patch corrects the style of the {civ}.json files, per https://trac.wildfiregames.com/wiki/Coding_Conventions#JSON
* insert space between { and "
* insert space between : and "
* insert space between " and }
* remove space between . and "
* replace `"."`, `"emblem.png"`, `"History.",` `"Unknown."` with simply `""`
* starting entities on one line each, similar to music in these civ files, or modifications in aura and technology files
See also D2000.