add mrbc -h option
Merge pull request #1428 from murasesyuka/add_mrbc_help_option

add mrbc -h option
I fix order of actual and expect test value in basicobject.rb.
I fix order of actual and expect test value in bs_block.rb.
I fix order of actual and expect test value in class.rb.
I fix order of actual and expect test value in enumerable.rb.
I fix order of actual and expect test value in exception.rb.
I fix order of actual and expect test value in false.rb.
I fix order of actual and expect test value in float.rb.
I fix order of actual and expect test value in gc.rb.
I fix order of actual and expect test value in hash.rb.
I fix order of actual and expect test value in indexerror.rb.
I fix order of actual and expect test value in integer.rb.
I fix order of actual and expect test value in kernel.rb.
I fix order of actual and expect test value in literals.rb.
I fix order of actual and expect test value in localjumperror.rb.
I fix order of actual and expect test value in module.rb.
I fix order of actual and expect test value in nameerror.rb.
I fix order of actual and expect test value in nil.rb.
I fix order of actual and expect test value in nomethoderror.rb.