fix response codes for suggester init

Author: Vladimir Kotal

apiary.apib

@@ -333,7 +333,7 @@ with a colon. If the type cannot be determined "N/A" is returned.
 
             ["http://localhost:8080/source/search?project=kotlin&q=text"]
 
-+ Response 201
++ Response 204
 
 ## Suggester popularity data initialization [/suggest/init/raw]
 
@@ -344,7 +344,7 @@ with a colon. If the type cannot be determined "N/A" is returned.
 
             [{"project":"kotlin","field":"full","token":"args","increment":100}]
 
-+ Response 201
++ Response 204
 
 ## Suggester popularity data [/suggest/popularity/{project}{?field,page,pageSize,all}]
 
@@ -404,4 +404,4 @@ with a colon. If the type cannot be determined "N/A" is returned.
             /foo    bar
             /foo/foo    bar bar
 
-+ Response 204
++ Response 204