Rename json_path lib to json

It is now suitable not only for handling JSON paths, but also for
building complex JSON structures.

Follow-up b56103f5 ("json: some renames").

src/box/CMakeLists.txt

@@ -49,7 +49,7 @@ add_library(tuple STATIC
     field_def.c
     opt_def.c
 )
-target_link_libraries(tuple json_path box_error core ${MSGPUCK_LIBRARIES} ${ICU_LIBRARIES} misc bit)
+target_link_libraries(tuple json box_error core ${MSGPUCK_LIBRARIES} ${ICU_LIBRARIES} misc bit)
 
 add_library(xlog STATIC xlog.c)
 target_link_libraries(xlog core box_error crc32 ${ZSTD_LIBRARIES})

src/lib/json/CMakeLists.txt

@@ -3,5 +3,5 @@ set(lib_sources
 )
 
 set_source_files_compile_flags(${lib_sources})
-add_library(json_path STATIC ${lib_sources})
-target_link_libraries(json_path misc)
+add_library(json STATIC ${lib_sources})
+target_link_libraries(json misc)

test/unit/CMakeLists.txt

@@ -129,8 +129,8 @@ add_executable(reflection_cxx.test reflection_cxx.cc unit.c
 add_executable(csv.test csv.c)
 target_link_libraries(csv.test csv)
 
-add_executable(json_path.test json_path.c)
-target_link_libraries(json_path.test json_path unit ${ICU_LIBRARIES})
+add_executable(json.test json.c)
+target_link_libraries(json.test json unit ${ICU_LIBRARIES})
 
 add_executable(rmean.test rmean.cc)
 target_link_libraries(rmean.test stat unit)