Fix json boolean extraction

python2 and python 3 have different json packages
added code to pull out boolean values from either type of message
Update web UI

Modified the index template to show warning if a squid is global accessible but not verified.
Add new URLs and fixed config

/nearest now gets the nearest squids regaurdless of verification
/nearestverified does the same thing but only returns verified squids
/all returns all squids saved in shoal
added code to config.py file to retrieve the new congif variables
Merge branch 'domain_lookup'