* org.el (org-mode-map): Add keybindings to
`org-element-transpose' and `org-narrow-to-element'.
(org-metaup): Fall back on `org-element-drag-backward'.
(org-metadown): Fall back on `org-element-drag-forward'.
Also move chunks of declarations and require statements to
get rid of compiler warnings.
* org-exp-blocks.el (org): Don't require org. Add declarations.
* org-clock.el (org): Don't require org.
* ob-exp.el (org-list-forbidden-blocks): Add declarations.
