Replaces all uses of `TEMPLATEPATH` and `STYLESHEETPATH` in core with `get_template_directory()` and `get_stylesheet_directory()`.

Add `@deprecated` annotations to `TEMPLATEPATH` and `STYLESHEETPATH` definitions.

Props obenland, aaroncampbell. 
Fixes #18298.

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git-svn-id: http://core.svn.wordpress.org/trunk@28389 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`wp_dropdown_pages()` allows `option_none_value` to be passed. Add that arg to the `$defaults` for `wp_dropdown_users()` and `wp_dropdown_categories()` as well.

Props solarissmoke. 
Fixes #16625.

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git-svn-id: http://core.svn.wordpress.org/trunk@28390 1a063a9b-81f0-0310-95a4-ce76da25c4cd
wpView: fix selecting a view's text string in Safari, props gcorne, fixes #28088
Built from https://develop.svn.wordpress.org/trunk@28565


git-svn-id: http://core.svn.wordpress.org/trunk@28391 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `media_sideload_image()`, check the returned value of `download_url()` earlier to avoid attempting to `unlink()` an instance of `WP_Error`.

Props georgestephanis. 
Fixes #28204.

Built from https://develop.svn.wordpress.org/trunk@28567


git-svn-id: http://core.svn.wordpress.org/trunk@28392 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: update to 4.0.26. Includes fixes for the 'paste' plugin (paste from Word/Excel, paste in WebKit/Blink), show/hide/isHidden in inline mode, drag/drop in tables and in Safari, and others. Fixes #28342, #28016, #28250 and #28067
Built from https://develop.svn.wordpress.org/trunk@28568


git-svn-id: http://core.svn.wordpress.org/trunk@28393 1a063a9b-81f0-0310-95a4-ce76da25c4cd