Fixed an issue where an erroneous ID would get outputted in CSS.
Updated lang files.
Changed version to 1.7.2

git-svn-id: https://plugins.svn.wordpress.org/socials-ignited/trunk@962545 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added smooth transition for opacity change on hover.

git-svn-id: https://plugins.svn.wordpress.org/socials-ignited/trunk@962552 b8457f37-d9ea-0310-8a92-e5e31aec5664