Switch the body weight chart back to NVD3js

It would take too much time to do what we wanted to do with vanilla D3js
so I went back to NVD3.
Merge branch 'master' into switchWeightChartBackToNVD3
Switched body weight chart back to NVD3

and made it get data from the current user
Remove dummy services test
Ignore htmlcov directories
Remove style that makes tabs look weird in firefox
Merge branch 'master' into switchWeightChartBackToNVD3
I deleted two extra lines on the setting page only.
"fix new line conflict"
Merge branch 'master' into switchWeightChartBackToNVD3

Conflicts:
	site/app/partials/_settings.html
HTML in _settings partial was malformed

(tags weren't closed)
Merge branch 'switchWeightChartBackToNVD3' of https://github.com/CSc436/gymjournals into switchWeightChartBackToNVD3
Merge pull request #138 from CSc436/switchWeightChartBackToNVD3

Switch weight chart back to nvd3
Looks good.