update version to 0.2.0

main/FirmwareUpgrade.h

@@ -1,24 +0,0 @@
-#ifndef _FIRMWARE_UPGRADE_H
-#define _FIRMWARE_UPGRADE_H
-
-#include <string>
-
-class FirmwareUpgrade {
-public:
-    FirmwareUpgrade();
-    ~FirmwareUpgrade();
-
-    void CheckVersion();
-    bool HasNewVersion() { return has_new_version_; }
-    void StartUpgrade() { Upgrade(new_version_url_); }
-    void MarkValid();
-
-private:
-    bool has_new_version_ = false;
-    std::string new_version_;
-    std::string new_version_url_;
-
-    void Upgrade(std::string firmware_url);
-};
-
-#endif // _FIRMWARE_UPGRADE_H