aya-obj v0.1.0

Rename Bpf to Ebpf And BpfLoader to EbpfLoader. This also adds type aliases to preserve the use of the old names, making updating to a new Aya release less of a burden. These aliases are marked as deprecated since we'll likely remove them in a later release.

revamp MapInfo be more friendly with older kernels Adds detection for whether a field is available in MapInfo:
- For map_type(), we treturn new enum MapType instead of the integer representation.
- For fields that can't be zero, we return Option<NonZero*> type.
- For name_as_str(), it now uses the feature probe bpf_name() to detect if field is available. Although the feature probe checks for program name, it can also be used for map name since they were both introduced in the same commit.
revamp ProgramInfo be more friendly with older kernels Purpose of this commit is to add detections for whether a field is available in ProgramInfo.
- For program_type(), we return the new enum instead of the integer representation.

Rename Bpf to Ebpf And BpfLoader to EbpfLoader. This also adds type aliases to preserve the use of the old names, making updating to a new Aya release less of a burden. These aliases are marked as deprecated since we'll likely remove them in a later release.

revamp MapInfo be more friendly with older kernels Adds detection for whether a field is available in MapInfo:
- For map_type(), we treturn new enum MapType instead of the integer representation.
- For fields that can't be zero, we return Option<NonZero*> type.
- For name_as_str(), it now uses the feature probe bpf_name() to detect if field is available. Although the feature probe checks for program name, it can also be used for map name since they were both introduced in the same commit.
revamp ProgramInfo be more friendly with older kernels Purpose of this commit is to add detections for whether a field is available in ProgramInfo.
- For program_type(), we return the new enum instead of the integer representation.

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