V2ray5

[RungeCC]

update to version5 api;

• ValidateKernel -> ValidateVersionedKernel, will not only validate kernel but also check and set kernel version;

• new entry version in Qv2rayConfig_Kernel, enum type:

  enum KernelMajorVersion {FOUR, FIVE, UNKNOWN};
  

  currently only detect v2ray-core with major version 4 or 5, other core will be treated as version 4 v2ray-core.

• now click accept button on preferences page will invoke a ValidateVersionedKernel check, for updating kernel version info.