Fixing credits for new sidebar image

- Fixes #20
Merge pull request #21 from shrayasr/image-credits

Fixing credits for new sidebar image
November Meeting Minutes added
Title for the talks are modified with refrence to links, Refrences are added im SQLAlchemy talk
Nathan spelling mistake is corrected, added link to his web page.Refrence links are added near to apropriate feeds, Removed bottom reference links
By mistake Nathann reference link is added for Sage hyper link,So Sage software website is modified in the hyperlink to Sage
Merge pull request #22 from Rengaraj/master

November Meeting Minutes added