implemented wikipedia library functions
removed edit buttons for sections
wikipedia fetch article, image store locally, image href to wiki, image name sanitized.
resource export fix for modified pdf
image cache moved to media folder under wikiimagecache. all users and page/subpage have same cache folder now.
wikipedia image fix for layout preview. wikipedia image fix for exporting project. wikipedia added in pip-requirements.txt. try-except in wamp.py for autobahn issues
Merge remote-tracking branch 'origin/wikifix'
Removed debugging message.
Updated and fixed pjax.