Changed installations instructions

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991812 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tweaked installation instruction formatting

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991814 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed readme

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991815 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed readme formatting

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991816 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added change log message

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991818 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed log

git-svn-id: https://plugins.svn.wordpress.org/coursepress/trunk@991819 b8457f37-d9ea-0310-8a92-e5e31aec5664