mod_admin: make it possible to replace the find/insert category list with another template.
core: remove debug statement from z_acl.
core: move rsc property access check inside  p/3 instead of the model access.
Add release notes for 0.9.3
(cherry picked from commit 6347d36c92f34c1f7fc1278347138c61d2e72649)
scripts: Add R16B01 and R16B02 to travis.yml config
scripts: Fix Travis-CI

They only support R16B

http://about.travis-ci.org/docs/user/languages/erlang/
scripts: Also test release-0.9.x on Travis-CI
mod_admin: Remove warning in m_admin_blocks
mod_admin(_frontend): more flexible tinymce initialization; enables different options per category in the admin frontend.
mod_base: ensure that the 'sizename' argument is safe to use directly in the templates.
mod_admin: select new-rsc dialog tabs with config key
mod_oembed: enable text/summary/save only after successful oembed fetch.
mod_base: let split filter handle binaries and undefined in a 'sane' way.
mod_admin: added config key  to check or uncheck the 'is_published' checkbox on the new rsc tab.
core: fix crash if requesting 'is_published_date' property from recently deleted resource.
mod_admin_frontend: also pass the tree_id to the tinymce init file.
mod_base: urlencode - allow {trans, ...} tuples, and encode space as %20 instead of +.
mod_admin: remove option to change category from quick-edit-dialog. Add blocks to new-rsc-connect dialog, for easier overrules.
mod_admin: fix for 'is_whole_day' check when editing start/end dates.
mod_base: more robust, recursive, version of stringify. Assumes input is utf-8.