Fix talks page

- removed additional quotes in @headius' bio
- removed additional section#talks tag
updating talks list and schedule
adding sponsor abstract
adding Hyatt to the accomodation list - need to update embeded map
Added notice about the Bengaluru airport being closed.
Remove Mitchell Hashimoto's talk from talks page

I believe he'd indicated that he can't make it
    https://twitter.com/#!/mitchellh/status/171474064580419584
Clean up talk names
Added source SASS files & compass config file to make it easier for anyone to edit. Previously SASS files were being maintained in a separate rails app.
minor changes
modified logo to be sharp even at small sizes
abhishek nalwaya profile update added
Added volunteer badges.
Grammatical mistake ;)
karuakar profile updated.
improvements to logo
reworking responsive CSS with mobile first: public
rewrote schedule page css for a responsive design
fixed a number of bugs on schedule page where content was getting cut off at certain screen sizes
converted directions page to a responsive design
converted badges layout to a responsive design
minor changes