fix for options button toggle in tinymce popup; also fixed popup display on small screen sizes (mobile-friendly).

git-svn-id: https://plugins.svn.wordpress.org/insert-pages/trunk@971108 b8457f37-d9ea-0310-8a92-e5e31aec5664
version bump (1.5).

git-svn-id: https://plugins.svn.wordpress.org/insert-pages/trunk@971109 b8457f37-d9ea-0310-8a92-e5e31aec5664