Added generate_participant_table.py.

This new script generates an HTML table of personal IDs with links to personalized results. Still needs unit tests added.
Added unit tests for format_participant_table().

This includes a new test_format.py file.
Added all_tests.py.

This is based on the one used by QIIME. Also removed a couple of unnecessary files under tests/.
Merge pull request #33 from jrrideout/issue_32

Added all_tests.py.
Merge pull request #31 from jrrideout/issue_16

Added generate_participant_table.py.
Merge branch 'master' into issue_28