Fix test in util to use qiita config

previously, it assumed the upload dir was /tmp, but this is a setting in
the qiita config file, so it should be honored
Add ontology object

Some methods/attributes probably still missing, but this is what we need for
EBI

Fixes #317
add study title for where samples in merged table come from
add dropped_samples to analysis object
start working on display of dropped samples
fix docstring, list comprehension for all_samples
Fixing issues with previous PR, removed a left > and adding wait method that was erased at some point in context.py
Adding comments and fixing pep8
adding get_study_fp
one single file upload
Base work for metadata summary
ENH: Add metadata summary template
STY: Fix PEP8 annoyances
Remove unneeded line from .gitignore

was ignoring config.py, which we don't have in this project
Fix configuration files
Revert "Changes so that this can merge with master"

This reverts commit 1d183d19f199fd83cd92619287169d8fa66c115f.

Conflicts:
	qiita_core/support_files/config_demo.txt