Updates generate_otu_signifigance for clearer doumentation

Fixes documentation errors; updates sanity checks to be more sane;
removes an unnecessary teardown in the testcode
Merge branch 'master' of https://github.com/qiime/American-Gut into bug_fix_generate_sig
Fixes Bugs

Handles cases where no high is generated
Skips over contested taxa in tree walking
Updates test code
Documentation update
added submit wrapper, get_path, check_path
Fixes counting order

rows are removed from table starting at the far right
Introduces date and time; removes unnecessary functions

Introduces a date and time description to the macros file
Removes functions which are not used
Updates function name for accuracy
removes unnecessary lines, updates code
Gets scripts from formatting-updates branch
Imports make_pie_plot as a new function
Merge pull request #66 from JWDebelius/bug_fix_generate_sig

Bug fix generate sig
Merge branch 'master' of https://github.com/qiime/American-Gut into OralandSkinPlotFixes

Conflicts:
americangut/generate_otu_signifigance_tables.py
scripts/generate_otu_signifigance_tables_AGP.py
tests/test_generate_otu_signifigance.py
tests/test_make_phyla_plots_AGP.py

Resolves conflicts
Merge branch 'master' of https://github.com/qiime/American-Gut into OralandSkinPlotFixes

Conflicts:
	americangut/generate_otu_signifigance_tables.py
	scripts/generate_otu_signifigance_tables_AGP.py
	tests/test_generate_otu_signifigance.py
	tests/test_make_phyla_plots_AGP.py
Fixed a spacing problem
Brings back american gut reference
Removes print samp -- included for error checking
Merge pull request #70 from JWDebelius/OralandSkinPlotFixes

Oral and skin plot fixes
results utilities
removed unused method, added spacing
added a few comments