Merge pull request #127 from smirfolio/master

Modification of Badge icon using Obiba Font +Bug Fix
Taxonomy terms are displayed in the variable page
Merge pull request #128 from obiba/variable-page-taxonomy

Taxonomy terms are displayed in the variable page
Study icon smaller and gray to render missing logo
Variable facets updated with taxonomies
Merge pull request #129 from obiba/variable-facets

Variable facets
modified-study-icon
Merge pull request #130 from kazoompa/modified-study-icon

modified-study-icon