Starting to make drag&drop working again
Merge branch 'master' of github.com:mytestbed/labwiki

Conflicts:
	lib/labwiki/plugin/plan_text/resource/css/plan_text.css
D&D of graphs seem to work again. It now also writes a description of the inserted widget into the underlying file. But there is still a bit of work left to make those pages stand alone (primarily on the Job Service side)
Fixed nterference from OMF Web style sheet. Not sure why we didn't give that a distinct name.
Better reporting of LW window resizing.
Fail quickly if plugins aren't properly configured.
WIP Clean up GIMI logic
Refactor Authentication into its own classes
Use a login handler and theme to reduce raw html page duplication
Make Rack CommonLogger optional
Add a sample config file for multi repo
Minor style change to login page
Add notes regarding upgrade LW
Notes regarding authentication and multi user
Not sure why li position has been overwritten somewhere
Tiny style change to google login button
Cleaning up javascript loading and require's shim creation.
Add github oath strategy to supported auth

Under dev env, always use different session key when server restart,
this help us deleting some convoluted session reset logic in session
init.
Take GIMI specific user parsing logic out
Fixed syntax error in previous commit