- enhancement: hide add charset option when the currect compiler set is clang
- enhancement: auto check the c project option in the new project dialog
- change: use "app.ico" as default name for the project icon file
- fix: c file should use CC to build in the auto generated makefile
- fix: project's type setting won't be saved
- fix: If project's compiler set is not the same with the default compiler set, auto openned project's file will use wrong compiler set to do syntax check.
- fix: open a project file through "File"->"Open" will not correctly connect it with the project internally