Merge pull request #12 from minux/examples

为 gccgo.po 的 177 到 198 行构造范例，顺手初步翻译了一下。
tests/invalid_use_of_calling_non_variadic_function.go: add.

Signed-off-by: minux <minux.ma@gmail.com>
tests/number_of_results_does_not_match_number_of_values.go: add.

Signed-off-by: minux <minux.ma@gmail.com>
tests/index_must_be_integer.go: add.

Signed-off-by: minux <minux.ma@gmail.com>
tests/slice_end_must_be_integer.go: add.

Signed-off-by: minux <minux.ma@gmail.com>
tests/slice_capacity_must_be_integer.go: add.

Signed-off-by: minux <minux.ma@gmail.com>