Refactored the publish API
RespondCMSProxy added
RespondCMSProxy: unused code deleted
Exception Handling in RespondCMSProxy
Adding HTML-Content to CMS
image upload
uploading images with uuid
no image duplicates (checksum); pages are updated if page of experiment already exists
Exception Handling updated; RespondCMSProxy got own config file
added documentation
changed documentation
Merge branch 'publish' of https://github.com/juliakrey/labwiki
Minor syntax fix from previous merge