fixed wp-webclap plugin.

git-svn-id: https://plugins.svn.wordpress.org/wp-webclap/trunk@980946 b8457f37-d9ea-0310-8a92-e5e31aec5664
[0.1.7] release.

git-svn-id: https://plugins.svn.wordpress.org/wp-webclap/trunk@980951 b8457f37-d9ea-0310-8a92-e5e31aec5664
[0.1.7] release.

git-svn-id: https://plugins.svn.wordpress.org/wp-webclap/trunk@980967 b8457f37-d9ea-0310-8a92-e5e31aec5664
[0.1.8] fixed built-in image button

git-svn-id: https://plugins.svn.wordpress.org/wp-webclap/trunk@981029 b8457f37-d9ea-0310-8a92-e5e31aec5664