Version 1.2 release

git-svn-id: https://plugins.svn.wordpress.org/wp-performance-score-booster/trunk@1027074 b8457f37-d9ea-0310-8a92-e5e31aec5664
Amended readme.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-performance-score-booster/trunk@1027078 b8457f37-d9ea-0310-8a92-e5e31aec5664
Amended readme.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-performance-score-booster/trunk@1027085 b8457f37-d9ea-0310-8a92-e5e31aec5664