TST: Add base for test_examples
Adding example for biom.table.Table.sum()
Fixing errors
Fixes #409
Fixing documentation
making parse_biom_table able to parse a subset, either form hdf5 and json
DOC: Improve documentation of Table
BUG/ENH/DOC: Change arguments named id_ to id

Making a quick test in IPython, it turns out that there's no need to
have the variables named id_ as these won't shadow the built-in function
`id` anywhere but inside the methods, which is fine as right now having
these arguments superseded by an underscore is generating Sphinx
warnings, see this example:

(skbio)yoshikivazquezbaeza:~$ ipython
Python 2.7.6 (v2.7.6:3a1db0d2747e, Nov 10 2013, 00:42:54)
Type "copyright", "credits" or "license" for more information.

IPython 2.0.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: def foonction(id='x'):
   ...:     print id
   ...:

In [2]: foonction()
x

In [3]: id(foonction)
Out[3]: 4363449240
DOC: Change pyqi link
DOC: Cleanup of from_hdf5
DOC/BUG: Fix URLs
DOC: Dealing with sphinx nuances
DOC: Improve the documentation of to_tsv()
ENH: Promote warnings to errors building the docs
ENH: Add doc build to .travis.yml
DOC: Add missing m

Thanks @teravest

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░░▀▄▒▒▒▒▒▒▒▒▒▒▒░▒░▒░▒▄▒▒▒▒▌░░       such very ready for merge
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biom subset-table now supports hdf5
DOC: module level ex starting
TST/DOC: Normalize the whitespaces
Addng tests