Added tinymce gzip compressor

[howdu]

This combines all of tinymce plugins into one compressed js file. Not sure why it's not included with the tinymce package.

I've quickly got it working by setting the cache directory options in should probably be moved elsewhere: public/coaster/jquery/tinymce/tinymce.gzip.php

References https://github.com/tinymce/tinymce_compressor http://archive.tinymce.com/wiki.php/Tutorials:Using_the_gzip_compressors

[neil-jennings]

Hi, I've added this as a setting you can set in the database admin.tinymce => compressed