Description of TinyMCE library import into Moodle

Our changes:
+ added plugins: dragmath, moodlenolink and customised spellchecker
* modified string handling: see patch-tinymce_strings.txt
* modified media plugin: see patch-tinymce_plugin_media.txt (MDL-16650)

TODO:
* spellchecker integration in spellchecker/config.php (MDL-16639)


Detailed information at:
Please see  http://docs.moodle.org/en/Development:TinyMCE_Upgrade for instructions on how to upgrade.

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