Fix a bug in invalidateblock. Add Test rpcs, invalidateblock and submitheader.#881

jaoleal wants to merge 5 commits intogetfloresta:mastergetfloresta/Floresta:masterfrom

jaoleal:rpcsaga_testrpcs_invalidateblock_submitheaderjaoleal/FlorestaBA:rpcsaga_testrpcs_invalidateblock_submitheaderCopy head branch name to clipboard