Add support for child categories as tags

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727488 b8457f37-d9ea-0310-8a92-e5e31aec5664
Use explode not split

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727499 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove unused option

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727500 b8457f37-d9ea-0310-8a92-e5e31aec5664
Use safer return in parsely-javascript instead of exit which kills wp-admin bar

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727501 b8457f37-d9ea-0310-8a92-e5e31aec5664
Use a safer delimiter when calling get_category_parents

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727502 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tweak categoriesAsTags logic to allow top level cats if they are not the section

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727503 b8457f37-d9ea-0310-8a92-e5e31aec5664
Check for empty not falsey categories

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727504 b8457f37-d9ea-0310-8a92-e5e31aec5664
Check for empty not null categories (thanks @whyisjake!).

Fixes #3 https://github.com/Parsely/wp-parsely/pull/3 but keeps working
tree clean.

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727505 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version bump to 1.5.

git-svn-id: http://plugins.svn.wordpress.org/wp-parsely/trunk@727506 b8457f37-d9ea-0310-8a92-e5e31aec5664