- On newsapp.html page headings are now centralized
- DEFAULT_DOMAIN list moved to aclient.js to make it available to all pages.
- Last history push time is now persisted, end range is now always current time.
- History limit set to 10000 so as to find as many as possible.
- isNewsDomain now also checks URL to ensure that it's not the home page if the domain, also, it checks the saved domain list in place of hard-coded list.
- Added Settings page for editing list of domains.
- Added angular.min.js, which is needed by settings.html

Signed-off-by: Joseph Taiwo Orilogbon <jto2110@columbia.edu>