Merge pull request #295 from Livefyre/rc

2.15.0
Fix text-decoration: underline on content-source-logo when it's a hyperlink
text-decoration: none to remove underline on anchor tag content source logo
Remove border from content avatar img in ie9
Remove modal's content author avatar border from ie9
Merge pull request #296 from Livefyre/s_styles-fixes

Fix content-source-logo hyperlink underline