WIP: erp5_officejs: Automatically update the ckeditor from 4.5.3 to 4.7.3

This commit was generated by a Python script. It checks the files in a ckeditor zip file. If encounter a new file, create and publish it in erp5. If encounter an existed file, just update the file content.

The files listed in below are not ported to erp5:

• ckeditor/skins/moono-lisa/readme.md
• ckeditor/plugins/specialchar/dialogs/lang/_translationstatus.txt
• ckeditor/plugins/scayt/LICENSE.md
• ckeditor/plugins/scayt/CHANGELOG.md
• ckeditor/plugins/scayt/README.md
• ckeditor/plugins/wsc/LICENSE.md
• ckeditor/plugins/wsc/README.md
• ckeditor/plugins/a11yhelp/dialogs/lang/_translationstatus.txt
• ckeditor/samples/toolbarconfigurator/lib/codemirror/LICENSE
• ckeditor/samples/toolbarconfigurator/font/LICENSE.txt
• ckeditor/samples/toolbarconfigurator/font/fontello.woff
• ckeditor/samples/toolbarconfigurator/font/config.json
• ckeditor/samples/toolbarconfigurator/font/fontello.ttf
• ckeditor/samples/toolbarconfigurator/font/fontello.eot
• ckeditor/samples/old/htmlwriter/assets/outputforflash/outputforflash.fla
• ckeditor/samples/old/htmlwriter/assets/outputforflash/outputforflash.swf
• ckeditor/samples/old/assets/posteddata.php
• ckeditor/samples/old/sample_posteddata.php
• ckeditor/LICENSE.md
• ckeditor/README.md
• ckeditor/CHANGES.md