Swap google finance api to yahoo finance through YQL.

Uses data definitions from datatables.org.
Try to use realtime ask/bid prices before defaulting to last trade price.
Remove afterhours code.
Merge pull request #46 from jamesgarfield/RIP_Google_Finance

Rip google finance
stuff
Merge branch 'master' of github.com:huntwelch/MongoBot
Trim % off change percent.
Merge pull request #47 from jamesgarfield/ChangePercentBug

Trim % off change percent.
increment and decrement
Merge pull request #48 from johnmarc/master

increment and decrement
Convert a few things to use BeautifulSoup4 and requests, this should fix header parsing for a lot of stuff
Reinstate the meta-refresh stuff, convert delicious to use requests
Replace all urllib and urllib2 calls with requests
Clean up some excess imports
Merge pull request #49 from esteigler/requests

Convert a few things to use BeautifulSoup4 and requests, this should fix header parsing for a lot of stuff
Apply pep8 to everything
Just check if its returning something, don't use the requests.ok object
Merge pull request #51 from esteigler/requests

Just check if its returning something, don't use the requests.ok object
Add a 5 second timeout so IRC doesn't kick mongo
fixes