Added --rep_set_fp option to personal_results.py.

Still need to add underlying functionality and unit tests.
Added support for rep seqs in OTU tables.

If rep seq can be found for an OTU, the OTU ID will be an active link that will open a dialog containing the rep seq in fasta format.
Fixed script import error.
Rep seqs are now split onto multiple lines.

Dialog's width is automatically determined now. Also added link to BLAST results.
Added test for rep set seqs.
Merge pull request #72 from jrrideout/issue_65

Provides access to representative sequences in OTU category significance tables.