Merge pull request #1 from diatmpravin/google_map

Google map
Merge pull request #2 from diatmpravin/css-issues

removed unwanted color code
Merge pull request #3 from diatmpravin/twitter_share_message

modified twitter share messge
added speaker
Merge pull request #5 from diatmpravin/speaker

added speaker
Added the format and uniqueness constraint for email validation.
Removed trailing td>. Was adding unncessary text
No need of 'show' link either and extra table header
Added layman styling for registrations index
Added migration for private email on registrations. default is false
Added private field in form and corresponding controller.
Change info for Saleem Anasari.
Merge pull request #6 from AnkurGel/fix_email_uniqueness

Added the format and uniqueness constraint for email validation.
Merge pull request #7 from AnkurGel/private_email

Registrations Refactoring
added speakers page
Merge pull request #8 from diatmpravin/speakers

added speakers page
Submit talk link
Merge pull request #9 from diatmpravin/submit_talk

Submit talk link
Schedule update