Updated naming convention, deleted 2 not needed files, removed few error prone variables, replaced a variable name in 3 php files to avoid confusion - this resolve #3

git-svn-id: https://plugins.svn.wordpress.org/wp-optimize/trunk@903839 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-optimize/trunk@903840 b8457f37-d9ea-0310-8a92-e5e31aec5664
Now moved to github repo, more minor upgrades and touch up to v1.7.6

git-svn-id: https://plugins.svn.wordpress.org/wp-optimize/trunk@903841 b8457f37-d9ea-0310-8a92-e5e31aec5664