Made the bundled version of FontAwesome override any pre-existing ones with the handle ‘font-awesome’. Some themes provide an older version of the font and that was used instead, resulting in non-working icons.
Changed version to 1.7.4

git-svn-id: https://plugins.svn.wordpress.org/socials-ignited/trunk@1013081 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed stable tag to 1.7.4

git-svn-id: https://plugins.svn.wordpress.org/socials-ignited/trunk@1013085 b8457f37-d9ea-0310-8a92-e5e31aec5664