ENH: add the error codes return logic

1. write a json to the outputdir
2. including message/error code/plate id

Change-Id: If2a13a89d34982a86102162c9c968cdf60702f19

src/libslic3r/PrintBase.hpp

@@ -19,6 +19,9 @@ namespace Slic3r {
 enum StringExceptionType {
     STRING_EXCEPT_NOT_DEFINED                   = 0,
     STRING_EXCEPT_FILAMENT_NOT_MATCH_BED_TYPE   = 1,
+    STRING_EXCEPT_FILAMENTS_DIFFERENT_TEMP      = 2,
+    STRING_EXCEPT_OBJECT_COLLISION_IN_SEQ_PRINT = 3,
+    STRING_EXCEPT_OBJECT_COLLISION_IN_LAYER_PRINT = 4,
     STRING_EXCEPT_COUNT
 };