Init commit of V2 from SVN

git-svn-id: http://plugins.svn.wordpress.org/ga-link-tracker/trunk@913961 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed trailing param quote

git-svn-id: http://plugins.svn.wordpress.org/ga-link-tracker/trunk@913978 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tidy up v2.0

git-svn-id: http://plugins.svn.wordpress.org/ga-link-tracker/trunk@913979 b8457f37-d9ea-0310-8a92-e5e31aec5664
Minor bugfix

git-svn-id: http://plugins.svn.wordpress.org/ga-link-tracker/trunk@913984 b8457f37-d9ea-0310-8a92-e5e31aec5664
Last commit for v2.1

git-svn-id: http://plugins.svn.wordpress.org/ga-link-tracker/trunk@913994 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix merge issues