Grammar fixes to atom descriptions (#31293)

* Grammar fixes to atom descriptions

- Capitalization and punctuation on most descriptions
- CentCom instead of centcom where appropriate
- Earth instead of earth where appropriate

* Remove spaces before newlines and oneline some strings

code/modules/admin/fun_balloon.dm

@@ -104,7 +104,7 @@
 
 /obj/effect/shuttle_build
 	name = "shuttle_build"
-	desc = "Some assembly required"
+	desc = "Some assembly required."
 	icon = 'icons/obj/items_and_weapons.dmi'
 	icon_state = "syndballoon"
 	anchored = TRUE

code/modules/admin/secrets.dm

@@ -214,8 +214,8 @@
 				return
 			SSblackbox.add_details("admin_secrets_fun_used","Send CentCom Ferry")
 			if(!SSshuttle.toggleShuttle("ferry","ferry_home","ferry_away"))
-				message_admins("[key_name_admin(usr)] moved the centcom ferry")
-				log_admin("[key_name(usr)] moved the centcom ferry")
+				message_admins("[key_name_admin(usr)] moved the CentCom ferry")
+				log_admin("[key_name(usr)] moved the CentCom ferry")
 
 		if("togglearrivals")
 			if(!check_rights(R_ADMIN))

code/modules/admin/topic.dm

@@ -2257,7 +2257,7 @@
 			if(!newname)
 				return
 			G.name = newname
-			var/description = input("Enter centcom message contents:") as message|null
+			var/description = input("Enter CentCom message contents:") as message|null
 			if(!description)
 				return
 			G.report_message = description