fix #1210

also changed remove('ParsInsert.log') to use remove_files, I
though this would prevent the same issue happening for ParsInsert
Resolves issue #1128.

Adds ENS_pie as an alpha diversity metric.
Added 'enspie' to list of available metrics.
Renamed check_id_map.py to validate_mapping_file.py
renamed directory in qiime_test_data
Removed references to check_id_map from test_format.py unit tests
Merge pull request #1228 from lkursell/validate_mapping

Renamed check_id_map.py to validate_mapping_file.py
Merge pull request #1220 from teravest/issue1210

fix #1210
Merge pull request #1224 from wdwvt1/enspie

Enspie